The most recent Strong Bad E-mail pokes fun at webcomics. In it he claims that The Cheat makes unusual comics based on the weird subject lines from spam e-mails. I thought this was an amusing concept, not realizing that it's based on a real site called Spamusement. There are some pretty funny drawings in the 300+ comics so far. Check it out if you don't mind killing your whole afternoon with "I'll just read one more..."