When looking through the 382 "Aspen" images at Acclaim Images.com this Aspen Trees With Elk Antlers Rubbing Marks and A Stormy Sky was a favorite.
All of their pictures are hand picked, availiable in a number of formats, and you can even get custom prints and posters.

Description:
Aspen Trees With Elk Antlers Rubbing Marks and A Stormy Sky
Aspen trees with elk antler rubbing marks and a stormy sky.

Some related terms for more images:
natural,  rocky,  yellow,  aspen,  season,  habitat,  parks,  mountain,  nature,  fall,  estes,  leaves,  colorado,  grass,  melissa zavadil,  recreation,  turn,  national,  tourist,  seasons,  turning,