Webcomic: Spamusement

Spamusement is a Web Comic whose strips (usually of the single-panel variety) are all based on the subject lines of spam received by its creator Steven Frank. Given that he picks out the weirder and more incomprehensible examples of these, there is a tendency towards extreme surrealism. The members of Spamusers, formerly the Spamusement Forums, have followed this trend. (It's a good thing they have, too; the main comic hasn't updated since mid-2007.)
Spamusement provides examples of the following tropes: