diff --git a/src/README b/src/README
index e91b0c6..8b5c872 100644
--- a/src/README
+++ b/src/README
@@ -85,6 +85,9 @@ OPTIONS                 Possible Values       Explanation
  -j, --np-add-sig       TRUE/FALSE(default)   Whether to add a NP sig. or not.
 
 ==> History <==
+Version 0.2.12
+ - Enabled options to compress and skip sections for SPU selfs.
+ - Extended information about the NPDRM selfs.
 Version 0.2.11
  - Added .klic files support for easy decryption of the free-license-type NPDRM selfs.
  - "PS3" path environment variable will now be searched for "data", "raps" and "klics" directories.
diff --git a/src/config.h b/src/config.h
index 4e1ead2..5428c1f 100644
--- a/src/config.h
+++ b/src/config.h
@@ -7,7 +7,7 @@
 #define _CONFIG_H_
 
 /*! scetool base version. */
-#define SCETOOL_VERSION_BASE "0.2.11"
+#define SCETOOL_VERSION_BASE "0.2.12"
 
 /*! Private build. */
 //#define CONFIG_PRIVATE_BUILD
diff --git a/src/np.cpp b/src/np.cpp
index b2b463e..c87cf00 100644
--- a/src/np.cpp
+++ b/src/np.cpp
@@ -55,7 +55,7 @@ BOOL np_decrypt_npdrm(sce_buffer_ctxt_t *ctxt)
 	u8 npdrm_key[0x10];
 	u8 npdrm_iv[0x10];
 	int i;
-	
+
 	if((np = _sce_find_ci_npdrm(ctxt)) == NULL)
 		return FALSE;
 
@@ -183,7 +183,7 @@ BOOL np_create_ci(npdrm_config_t *npconf, ci_data_npdrm_t *cinp)
 		return FALSE;
 
 	cinp->magic = _ES32(NP_CI_MAGIC);
-	cinp->unknown_0 = _ES32(1);
+	cinp->version = _ES32(1);
 	cinp->license_type = _ES32(npconf->license_type);
 	cinp->app_type = _ES32(npconf->app_type);
 	memcpy(cinp->content_id, npconf->content_id, 0x30);
@@ -193,8 +193,8 @@ BOOL np_create_ci(npdrm_config_t *npconf, ci_data_npdrm_t *cinp)
 		//Better than boring random bytes!
 		memcpy(cinp->rndpad, CONFIG_NPDRM_WATERMARK, 0x10);
 	#endif
-	cinp->unknown_1 = _ES64(0);
-	cinp->unknown_2 = _ES64(0);
+	cinp->limited_time_start = _ES64(0);
+	cinp->limited_time_end = _ES64(0);
 
 	//Generate control info hash key.
 	for(i = 0; i < 0x10; i++)
diff --git a/src/sce.h b/src/sce.h
index e889ccc..37834e3 100644
--- a/src/sce.h
+++ b/src/sce.h
@@ -381,7 +381,8 @@ typedef struct _ci_data_npdrm
 {
 	/*! Magic. */
 	u32 magic;
-	u32 unknown_0;
+	/*! Version. */
+	u32 version;
 	/*! License type. */
 	u32 license_type;
 	/*! Application type. */
@@ -394,8 +395,10 @@ typedef struct _ci_data_npdrm
 	u8 hash_cid_fname[0x10];
 	/*! Control info hash. */
 	u8 hash_ci[0x10];
-	u64 unknown_1;
-	u64 unknown_2;
+	/*! Start of the Validity period. */
+	u64 limited_time_start;
+	/*! End of the Validity period. */
+	u64 limited_time_end;
 } ci_data_npdrm_t;
 
 /*! Optional header. */
diff --git a/src/self.cpp b/src/self.cpp
index 76b6fed..a4ab484 100644
--- a/src/self.cpp
+++ b/src/self.cpp
@@ -5,6 +5,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 
 #include "types.h"
 #include "config.h"
@@ -120,6 +121,8 @@ void _print_sce_version(FILE *fp, sce_version_t *sv)
 void _print_control_info(FILE *fp, control_info_t *ci)
 {
 	const s8 *name;
+	time_t t;
+	tm* aTm;
 
 	fprintf(fp, "[*] Control Info\n");
 
@@ -158,16 +161,63 @@ void _print_control_info(FILE *fp, control_info_t *ci)
 			ci_data_npdrm_t *np = (ci_data_npdrm_t *)((u8 *)ci + sizeof(control_info_t));
 			//Was already fixed in decrypt_header.
 			//_es_ci_data_npdrm(np);
-			fprintf(fp, " Magic        0x%08X [%s]\n", _ES32(np->magic), (_ES32(np->magic) == NP_CI_MAGIC ? "OK" : "ERROR"));
-			fprintf(fp, " unknown_0    0x%08X\n", _ES32(np->unknown_0));
-			fprintf(fp, " Licence Type 0x%08X\n", _ES32(np->license_type));
-			fprintf(fp, " App Type     0x%08X\n", _ES32(np->app_type));
-			fprintf(fp, " ContentID    %s\n", np->content_id);
-			_hexdump(fp, " Random Pad  ", 0, np->rndpad, 0x10, FALSE);
-			_hexdump(fp, " CID_FN Hash ", 0, np->hash_cid_fname, 0x10, FALSE);
-			_hexdump(fp, " CI Hash     ", 0, np->hash_ci, 0x10, FALSE);
-			fprintf(fp, " unknown_1    0x%016llX\n", _ES64(np->unknown_1));
-			fprintf(fp, " unknown_2    0x%016llX\n", _ES64(np->unknown_2));
+			fprintf(fp, " Magic          0x%08X [%s]\n", _ES32(np->magic), (_ES32(np->magic) == NP_CI_MAGIC ? "OK" : "ERROR"));
+			fprintf(fp, " Version        0x%08X\n", _ES32(np->version));
+			
+			name = _get_name(_np_license_types, _ES32(np->license_type));
+			if(name != NULL)
+			{
+				fprintf(fp, " Licence Type   ");
+				_PRINT_RAW(fp, "0x%08X ", _ES32(np->license_type));
+				fprintf(fp, "[%s]\n", name);
+			}
+			else
+				fprintf(fp, " Licence Type   0x%08X\n", _ES32(np->license_type));
+
+			name = _get_name(_np_app_types, _ES32(np->app_type));
+			if(name != NULL)
+			{
+				fprintf(fp, " App Type       ");
+				_PRINT_RAW(fp, "0x%08X ", _ES32(np->app_type));
+				fprintf(fp, "[%s]\n", name);
+			}
+			else
+				fprintf(fp, " App Type       0x%08X\n", _ES32(np->app_type));
+
+			fprintf(fp, " ContentID      %s\n", np->content_id);
+			_hexdump(fp, " Random Pad    ", 0, np->rndpad, 0x10, FALSE);
+			_hexdump(fp, " CID_FN Hash   ", 0, np->hash_cid_fname, 0x10, FALSE);
+			_hexdump(fp, " CI Hash       ", 0, np->hash_ci, 0x10, FALSE);
+
+			t = (time_t)(_ES64(np->limited_time_start) / 1000);
+			aTm = localtime(&t);
+			if(_ES64(np->limited_time_start) != 0)
+			{
+				fprintf(fp, " Validity Start ");
+				_PRINT_RAW(fp, "0x%016llX ", _ES64(np->limited_time_start));
+				fprintf(fp, "[%04d/%02d/%02d %02d:%02d:%02d]\n",aTm->tm_year+1900, aTm->tm_mon+1, aTm->tm_mday, aTm->tm_hour, aTm->tm_min, aTm->tm_sec);
+			}
+			else
+			{
+				fprintf(fp, " Validity Start ");
+				_PRINT_RAW(fp, "0x%016llX ", _ES64(np->limited_time_start));
+				fprintf(fp, "[Unlimited]\n");	
+			}
+
+			t = (time_t)(_ES64(np->limited_time_end) / 1000);
+			aTm = localtime(&t);
+			if(_ES64(np->limited_time_end) != 0)
+			{
+				fprintf(fp, " Validity End   ");
+				_PRINT_RAW(fp, "0x%016llX ", _ES64(np->limited_time_end));
+				fprintf(fp, "[%04d/%02d/%02d %02d:%02d:%02d]\n",aTm->tm_year+1900, aTm->tm_mon+1, aTm->tm_mday, aTm->tm_hour, aTm->tm_min, aTm->tm_sec);
+			}
+			else
+			{
+				fprintf(fp, " Validity End   ");
+				_PRINT_RAW(fp, "0x%016llX ", _ES64(np->limited_time_end));
+				fprintf(fp, "[Unlimited]\n");	
+			}
 		}
 		break;
 	}
@@ -222,7 +272,7 @@ void _print_opt_header(FILE *fp, opt_header_t *oh)
 			fprintf(fp, " Flags     0x%016llX [ ", cf->flags);
 			_print_cap_flags_flags(fp, cf);
 			fprintf(fp, "]\n");
-	
+
 			fprintf(fp, " unknown_6 0x%08X\n", cf->unk6);
 			fprintf(fp, " unknown_7 0x%08X\n", cf->unk7);
 		}
@@ -573,11 +623,25 @@ BOOL self_write_to_elf(sce_buffer_ctxt_t *ctxt, const s8 *elf_out)
 		{
 			if(_ES32(msh[i].type) == METADATA_SECTION_TYPE_PHDR)
 			{
-				_es_elf32_phdr(&ph[_ES32(msh[i].index)]);
-				fseek(fp, ph[_ES32(msh[i].index)].p_offset, SEEK_SET);
-				fwrite(ctxt->scebuffer + _ES64(msh[i].data_offset), sizeof(u8), _ES64(msh[i].data_size), fp);
+				if(_ES32(msh[i].compressed) == METADATA_SECTION_COMPRESSED)
+				{
+					_es_elf32_phdr(&ph[_ES32(msh[i].index)]);
+					u8 *data = (u8 *)malloc(ph[_ES32(msh[i].index)].p_filesz);
+
+					_zlib_inflate(ctxt->scebuffer + _ES64(msh[i].data_offset), _ES64(msh[i].data_size), data, ph[_ES32(msh[i].index)].p_filesz);
+					fseek(fp, ph[_ES32(msh[i].index)].p_offset, SEEK_SET);
+					fwrite(data, sizeof(u8), ph[_ES32(msh[i].index)].p_filesz, fp);
+
+					free(data);
+				}
+				else
+				{
+					_es_elf32_phdr(&ph[_ES32(msh[i].index)]);
+					fseek(fp, ph[_ES32(msh[i].index)].p_offset, SEEK_SET);
+					fwrite(ctxt->scebuffer + _ES64(msh[i].data_offset), sizeof(u8), _ES64(msh[i].data_size), fp);
+				}
 			}
-		}		
+		}
 
 		//Write section headers.
 		if(_ES64(ctxt->self.selfh->shdr_offset) != 0)
@@ -827,7 +891,7 @@ static BOOL _create_optional_headers(sce_buffer_ctxt_t *ctxt, self_config_t *sco
 				_set_cap_flags(self_type, capf);
 			else
 				memcpy(capf, sconf->cap_flags, 0x20);
-			
+
 			list_add_back(ctxt->self.ohs, oh);
 		}
 		break;
@@ -850,7 +914,7 @@ static BOOL _create_optional_headers(sce_buffer_ctxt_t *ctxt, self_config_t *sco
 			if(sconf->indiv_seed != NULL)
 				memcpy(is, sconf->indiv_seed, sconf->indiv_seed_size);
 #endif
-			
+
 			list_add_back(ctxt->self.ohs, oh);
 		}
 		break;
@@ -916,7 +980,7 @@ static BOOL _build_self_32(sce_buffer_ctxt_t *ctxt, self_config_t *sconf)
 	_es_elf32_ehdr(ehdr);
 
 	//Copy program headers.
-	ctxt->makeself->phdrs = (Elf32_Phdr *)_memdup(ctxt->makeself->elf + ehdr->e_phoff , sizeof(Elf32_Phdr) * ehdr->e_phnum);
+	ctxt->makeself->phdrs = (Elf32_Phdr *)_memdup(ctxt->makeself->elf + ehdr->e_phoff, sizeof(Elf32_Phdr) * ehdr->e_phnum);
 	ctxt->makeself->phsize = sizeof(Elf32_Phdr) * ehdr->e_phnum;
 	phdrs = (Elf32_Phdr *)_memdup(ctxt->makeself->elf + ehdr->e_phoff, sizeof(Elf32_Phdr) * ehdr->e_phnum);
 
@@ -933,17 +997,33 @@ static BOOL _build_self_32(sce_buffer_ctxt_t *ctxt, self_config_t *sconf)
 
 	//Copy sections, fill section infos and metadata section headers.
 	ctxt->self.si = (section_info_t *)malloc(sizeof(section_info_t) * ehdr->e_phnum);
+	u32 loff = 0xFFFFFFFF, skip = 0;
 	for(i = 0; i < ehdr->e_phnum; i++)
 	{
 		_es_elf32_phdr(&phdrs[i]);
-		void *sec = _memdup(ctxt->makeself->elf + phdrs[i].p_offset, phdrs[i].p_filesz);
-		//Never compress sections on SPU SELFs.
-		sce_add_data_section(ctxt, sec, phdrs[i].p_filesz, FALSE);
 
 		//Add section info.
 		_add_phdr_section(ctxt, phdrs[i].p_type, phdrs[i].p_filesz, i);
-		//Fill metadata section header.
-		sce_set_metash(ctxt, METADATA_SECTION_TYPE_PHDR, phdrs[i].p_type == PT_LOAD ? TRUE : FALSE, i);
+
+		//Fill metadata section header but skip identical program header offsets.
+		if(sconf->skip_sections == TRUE && (phdrs[i].p_offset == loff || !(phdrs[i].p_type == PT_LOAD || phdrs[i].p_type == PT_PS3_PRX_RELOC || phdrs[i].p_type == 0x700000A8)))
+		{
+			const s8 *name = _get_name(_ph_types, phdrs[i].p_type);
+			if(name != NULL)
+				_LOG_VERBOSE("Skipped program header %-8s @ 0x%08X (0x%08X)\n", name, phdrs[i].p_offset, phdrs[i].p_filesz);
+			else
+				_LOG_VERBOSE("Skipped program header 0x%08X @ 0x%08X (0x%08X)\n", phdrs[i].p_type, phdrs[i].p_offset, phdrs[i].p_filesz);
+			skip++;
+		}
+		else
+		{
+			void *sec = _memdup(ctxt->makeself->elf + phdrs[i].p_offset, phdrs[i].p_filesz);
+			//SPU sections may be compressed.
+			sce_add_data_section(ctxt, sec, phdrs[i].p_filesz, TRUE);
+			sce_set_metash(ctxt, METADATA_SECTION_TYPE_PHDR, TRUE /*(phdrs[i].p_type == PT_LOAD || phdrs[i].p_type == PT_PS3_PRX_RELOC || phdrs[i].p_type == 0x700000A8) ? TRUE : FALSE*/, i - skip);
+		}
+
+		loff = phdrs[i].p_offset;
 	}
 
 	//Section info count.
@@ -953,10 +1033,11 @@ static BOOL _build_self_32(sce_buffer_ctxt_t *ctxt, self_config_t *sconf)
 
 	//Add a section for the section headers.
 	if(sconf->add_shdrs == TRUE)
-		if(_add_shdrs_section(ctxt, i) == TRUE)
+		if(_add_shdrs_section(ctxt, i - skip) == TRUE)
 			i++;
 
 	//Metadata.
+	i -= skip;
 	ctxt->metah->section_count = _ES32(i);
 
 	return TRUE;
diff --git a/src/tables.cpp b/src/tables.cpp
index f736b9c..f04fb3d 100644
--- a/src/tables.cpp
+++ b/src/tables.cpp
@@ -58,6 +58,15 @@ id_to_name_t _optional_header_types[] =
 	{0, NULL}
 };
 
+/*! NPDRM license types. */
+id_to_name_t _np_license_types[] = 
+{
+	{NP_LICENSE_NETWORK, "NETWORK"},
+	{NP_LICENSE_LOCAL, "LOCAL"},
+	{NP_LICENSE_FREE, "FREE"},
+	{0, NULL}
+};
+
 /*! NPDRM application types. */
 id_to_name_t _np_app_types[] = 
 {
@@ -65,7 +74,7 @@ id_to_name_t _np_app_types[] =
 	{NP_TYPE_EXEC, "EXEC"},
 	{NP_TYPE_USPRX, "USPRX"},
 	{NP_TYPE_UEXEC, "UEXEC"},
-	{0, NULL},
+	{0, NULL}
 };
 
 /*! Auth IDs. */
diff --git a/src/tables.h b/src/tables.h
index 032cefc..ce65729 100644
--- a/src/tables.h
+++ b/src/tables.h
@@ -21,6 +21,9 @@ extern id_to_name_t _control_info_types[];
 /*! Optional header types. */
 extern id_to_name_t _optional_header_types[];
 
+/*! NPDRM license types. */
+extern id_to_name_t _np_license_types[];
+
 /*! NPDRM application types. */
 extern id_to_name_t _np_app_types[];