Very recently, the position of image moderator has been made, and granted to Watcher. Since he can't find every single image in need of deletion, let's help him out.
You can help by either linking images or telling what entries have no duplicates.
When reporting duplicates, make sure that you don't report the first image, report the second/third/whatever. The original uploader deserves credit. Also, don't link the article itself, click the Details link next to the image.
Philosoraptor and A Winner is You are confirmed to have no duplicates right now.