Here's a bunch I've come across:
http://www.bowlingroadtrip.com/map/wy.html (amusing)
http://www.scottberkun.com/blog/?p=24 (couple of anecdotes)
http://www.roadtripusa.com/us_20/wyoming.html (tourism page)
http://www.wyomingbnb-ranchrec.com/ThemedTours.1.html (I-25 trip)
http://www.pigseye.com/hj/USA/dakota/index.htm (cute)
http://www.skidmore.edu/~jthomas/JJT%20Home%20Page/Wyoming%202004/index.htm (photo pages, with a 7-page PDF travel log)
http://www.boogenstein.com/?month=2004-08 (part 3 and 4)
http://www.naturalist.co.uk/reports2003/wyoming.php (bird-watching tour)