Yes, I remember the "Tree Trimmer" fiasco - That one was debunked quickly. I still keep an eye on that site, but I keep one of these handy.
Today's Links of Interest (Oklahoma-related) ON THE NET...
http://www.freerepublic.com/focus/keyword?k=oubombing
http://www.freerepublic.com/focus/f-news/1495911/posts
http://www.freerepublic.com/focus/f-news/1495698/posts
http://www.normantranscript.com/localnews/local_story_230004903
http://www.freerepublic.com/focus/f-news/1495602/posts
http://www.freerepublic.com/focus/f-news/1495507/posts
http://www.freerepublic.com/focus/f-news/1495058/posts?page=3610#3610
http://www.gazette.com/display.php?id=1310934&secid=1
http://newsbusters.org/node/1895
http://michellemalkin.com/archives/003652.htm
http://littlegreenfootballs.com/weblog/?entry=17737_Suicide_Bombing_in_Oklahoma#comments