sorry if i'm being egoistic but ehm..
TGEweb Clan by Rikard
(very old one which was the beginning the order of the holy flame)
EVIL SMITHING by Jerome
and everything that followed (Evil smithing was the first topic to reach 100 posts and that was before pages was invented so you had to scroll down for ages

)
Powerful Magic by Wah
Contained the most stupid spells we could make inc. Transform to Bush: save throw or be bored to death
A Challenge my friend by Wah
A nice Roll-Playing thread between Wah, Melusine, Jon the Hellcaster and Me
and all threads that followed
Laughing Hyena's (or something) by Yorick
Spam thread by ??? reached over a 1000 very special
The First Cloudy's Café by Cloudy (duh)
because it started a never ending amount of café threads
Dwarven Throwers by RuneDawg
Welcome to Fluffy country

by Rikard
HADB Clan
And more i forgot
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OMG I have no Arms
Wait I don't have a body either
But i DO have a Desert Eagle