Quote Originally Posted by lat9 View Post
Actually, to determine the IH4-md5 name for the image, you'll need to know the image's real name and the IH4 controls applied to that image (watermark, zoom, quality and background). An MD5 hash is one-way, you can't look at the hashed file-name and work back to the real one!
There are MD5 hash decrypter tools.. dunno how well they will work with the IH4 cached files names as to your point other factors play into the filenaming for the cache..