Links:
Kryptonsite (lots of show info) 
LexSlash:
   Archives
   Transcripts (in pdf format)
   Pics
   Video Clips (excellent Rosenbaum stuff)
   Sound Bites (mmmm, Lex's Voice) 
Smallville Slash Archive
Smallville Fanfic
Omar's Recaps on TWoP
GAYLE Award page 
Transcripts (in html)
(Individual author pages are listed on Recs page)

MR with TW- 
Straight Boy Crush pic
Straight Boy Crush2 pic

Lists:
Clark Lex Fic (fic *only*)
LexSlash
Clark Lex
Smallville Slash