Index: src/lang/english.txt
===================================================================
--- src/lang/english.txt	(revision 22876)
+++ src/lang/english.txt	(working copy)
@@ -1851,6 +1851,8 @@
 STR_CONTENT_DETAIL_SELECTED_BECAUSE_OF                          :{SILVER}Selected because of: {WHITE}{RAW_STRING}
 STR_CONTENT_DETAIL_DEPENDENCIES                                 :{SILVER}Dependencies: {WHITE}{RAW_STRING}
 STR_CONTENT_DETAIL_TAGS                                         :{SILVER}Tags: {WHITE}{RAW_STRING}
+STR_CONTENT_DETAIL_GRFID                                        :{SILVER}GRF ID: {WHITE}{RAW_STRING}
+STR_CONTENT_DETAIL_MD5SUM                                       :{SILVER}MD5sum: {WHITE}{RAW_STRING}
 STR_CONTENT_NO_ZLIB                                             :{WHITE}OpenTTD is build without "zlib" support...
 STR_CONTENT_NO_ZLIB_SUB                                         :{WHITE}... downloading content is not possible!
 
Index: src/network/network_content_gui.cpp
===================================================================
--- src/network/network_content_gui.cpp	(revision 22876)
+++ src/network/network_content_gui.cpp	(working copy)
@@ -482,6 +482,8 @@
 		static const int DETAIL_RIGHT        =  5; ///< Number of pixels at the right
 		static const int DETAIL_TOP          =  5; ///< Number of pixels at the top
 
+		char buf[DRAW_STRING_BUFFER];
+
 		/* Height for the title banner */
 		int DETAIL_TITLE_HEIGHT = 5 * FONT_HEIGHT_NORMAL;
 
@@ -500,7 +502,7 @@
 
 		/* Also show the total download size, so keep some space from the bottom */
 		const uint max_y = r.bottom - FONT_HEIGHT_NORMAL - WD_PAR_VSEP_WIDE;
-		int y = r.top + DETAIL_TITLE_HEIGHT + DETAIL_TOP;
+		int y = r.top + DETAIL_TITLE_HEIGHT + DETAIL_TOP, vsep_y;
 
 		if (this->selected->upgrade) {
 			SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
@@ -516,6 +518,12 @@
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_VERSION);
 		}
 
+		SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
+		y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TYPE);
+
+		y += WD_PAR_VSEP_WIDE;
+		vsep_y = y;
+
 		if (!StrEmpty(this->selected->description)) {
 			SetDParamStr(0, this->selected->description);
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DESCRIPTION);
@@ -526,16 +534,28 @@
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_URL);
 		}
 
-		SetDParam(0, STR_CONTENT_TYPE_BASE_GRAPHICS + this->selected->type - CONTENT_TYPE_BASE_GRAPHICS);
-		y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TYPE);
+		if (this->selected->tag_count != 0) {
+			/* List all tags */
+			buf[0] = '\0';
+			char *p = buf;
+			for (uint i = 0; i < this->selected->tag_count; i++) {
+				p += seprintf(p, lastof(buf), i == 0 ? "%s" : ", %s", this->selected->tags[i]);
+			}
+			SetDParamStr(0, buf);
+			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TAGS);
+		}
 
-		y += WD_PAR_VSEP_WIDE;
+		if (y != vsep_y) y += WD_PAR_VSEP_WIDE;
+
 		SetDParam(0, this->selected->filesize);
 		y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_FILESIZE);
 
+		y += WD_PAR_VSEP_WIDE;
+		vsep_y = y;
+
 		if (this->selected->dependency_count != 0) {
 			/* List dependencies */
-			char buf[DRAW_STRING_BUFFER] = "";
+			buf[0] = '\0';
 			char *p = buf;
 			for (uint i = 0; i < this->selected->dependency_count; i++) {
 				ContentID cid = this->selected->dependencies[i];
@@ -554,23 +574,12 @@
 			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_DEPENDENCIES);
 		}
 
-		if (this->selected->tag_count != 0) {
-			/* List all tags */
-			char buf[DRAW_STRING_BUFFER] = "";
-			char *p = buf;
-			for (uint i = 0; i < this->selected->tag_count; i++) {
-				p += seprintf(p, lastof(buf), i == 0 ? "%s" : ", %s", this->selected->tags[i]);
-			}
-			SetDParamStr(0, buf);
-			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_TAGS);
-		}
-
 		if (this->selected->IsSelected()) {
 			/* When selected show all manually selected content that depends on this */
 			ConstContentVector tree;
 			_network_content_client.ReverseLookupTreeDependency(tree, this->selected);
 
-			char buf[DRAW_STRING_BUFFER] = "";
+			buf[0] = '\0';
 			char *p = buf;
 			for (ConstContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
 				const ContentInfo *ci = *iter;
@@ -583,6 +592,18 @@
 				y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_SELECTED_BECAUSE_OF);
 			}
 		}
+
+		if (this->selected->type == CONTENT_TYPE_NEWGRF) {
+			if (y != vsep_y) y += WD_PAR_VSEP_WIDE;
+
+			snprintf(buf, lengthof(buf), "%08X", BSWAP32(this->selected->id));
+			SetDParamStr(0, buf);
+			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_GRFID);
+
+			md5sumToString(buf, lastof(buf), this->selected->md5sum);
+			SetDParamStr(0, buf);
+			y = DrawStringMultiLine(r.left + DETAIL_LEFT, r.right - DETAIL_RIGHT, y, max_y, STR_CONTENT_DETAIL_MD5SUM);
+		}
 	}
 
 	virtual void OnClick(Point pt, int widget, int click_count)