No joke, at one point in time I had the Lisa stamp as my avatar (back when I used Simpsons avatars):
http://ocdn.eu/pulscms-transforms/1/QDuktkpTURBXy9kOTI3Y2M3YTdmMWRmZWRlZThmMTUzNWU3NDZlMTUwZi5qcGeSlQLNA8AAwsOVAgDNA8DCww
It's a large image so I'm just linking the URL
http://ocdn.eu/pulscms-transforms/1/QDuktkpTURBXy9kOTI3Y2M3YTdmMWRmZWRlZThmMTUzNWU3NDZlMTUwZi5qcGeSlQLNA8AAwsOVAgDNA8DCww
It's a large image so I'm just linking the URL