Funny Tombstones...
Here are some blogs about funny tombstone inscriptions:
http://mytimemattersblog.com/50-funny-bizzare-and-creative-tombstones/
http://www.chelmsfordhistory.org/humor-cemetery.html
http://www.squidoo.com/funnyfamoustombstoneepitaphs
http://mistyhorizon2003.hubpages.com/hub/Funny-and-Bizarre-Epitaphs
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Dark Humor...
Competition: http://deepundergroundpoetry.com/forum/competitions/read/1014/