I think on the Fotki site if you click on the thumbnail, it'll give you the better original image that Alan uploaded to them?
The wheels are L to R...Monogram 1/24 Chevy stepside ralley, Revell 1/24 CJ-7, holes modded by drilling, and stock CJ-7 rim.
Here's how they look on an old J10 glue bomb:
And on a CJ:
These BFG mud-terrains measure out to 35", available in nice soft rubber or black resin!