Thanks! Please feel free to use it, either by copying it and saving it elsewhere, or hotlinking to it (that way you don't have to go to the trouble of saving it somewhere online yourself).
I got the basic idea from a slogan that popped into my head yesterday that's both a play on his initials and an allusion to Reagan's 1980 campaign. The slogan itself was:
Rick
Perry for President: the
Road to
Prosperity
From that I started thinking about using highway sign imagery to come up with Perry graphics.
Here's the first one I came up with (it plays off of the color scheme for the interstate markers):