This image got a thumbnail of Amy the hedgehog:

http://e621.net/post/show/310319/

By furballs_dc's comment I believe not just me is seeing it.

Corrupt/wrong thumbnails do sometimes happen. This one just so happens to be both.

Just let us know, the system has some caching bugs from heavy use.. we got a repair system in place now though.

Aurali said:
Just let us know, the system has some caching bugs from heavy use.. we got a repair system in place now though.

The "Fix thumbnail" button? I don't remember who mentioned it... I think it was titaniachkt