There's some subtle name calling in this latest image for bumper stickers everywhere (via Blah3):
For those who don't get it: "W" plus "Anchor" equals "Wanker". You could also see the matching of the anchor to Dubya as symbolic of his possible drag on Republican candidates come the 2006 elections.
I'm guessing that most of his supporters who see this wouldn't even get the joke. They'd probably think it was some endorsement by the Marines.