Gone is the dog crate, the wood crate, the spare tire, and the plastic bag in the spare tire. The surfboard has now been joined by what appears to be a car hood and two wall mirrors. Click on the photos below for a better look...
As you can see, things have opened up in the truck bed:

Here's the first mirror:

You can just make out the edge of the second mirror under the car hood-thingy. The blue thing is the old bottle of motor oil:

I also noticed a lanyard hanging from the rearview mirror in the truck cab that said, Sundance Channel STAFF.
Huh. I never would've guessed that Beavis was capable of finding work with someplace like the Sundance Channel. Makes me wonder how he came across that little gem. I might try to get a photo of it in the morning, when I have less trouble with the window reflection wrecking my photo attempts.