Alternate implementation for supporting custom thumbnails when no media element is defined. Closes NUKnightLab/StoryJS-Core#24 thanks @vedmack for the suggestion

source/js/Core/Media/VMM.MediaElement.js

@@ -21,17 +21,18 @@ if(typeof VMM != 'undefined' && typeof VMM.MediaElement == 'undefined') {
 			if (h != null && h != "") {_h = h};
 			if (uid != null && uid != "") {_uid = uid};
 			
-			if (data.media != null && data.media != "") {
-				var _valid		= true,
-					mediaElem	= "",
-					m			= VMM.MediaType(data.media); //returns an object with .type and .id
 
-				// DETERMINE THUMBNAIL OR ICON
 			if (data.thumbnail != null && data.thumbnail != "") {
 					trace("CUSTOM THUMB");
 					mediaElem =	"<div class='thumbnail thumb-custom' id='" + uid + "_custom_thumb'><img src='" + data.thumbnail + "'></div>";
 					return mediaElem;
-				} else if (m.type == "image") {
+			} else if (data.media != null && data.media != "") {
+				var _valid		= true,
+					mediaElem	= "",
+					m			= VMM.MediaType(data.media); //returns an object with .type and .id
+					
+				// DETERMINE THUMBNAIL OR ICON
+				if (m.type == "image") {
 					mediaElem		=	"<div class='thumbnail thumb-photo'></div>";
 					return mediaElem;
 				} else if (m.type	==	"flickr") {