Special thanks to CC Insider reader Andy for sending us the photo for this week's caption challenge. We could scarcely have dreamt for such a wondrous gift.
This is the best caption we could come up with:
"Is that a horse's ass or just my reflection in the window."
Think you can write something a little more creative? Just leave your caption in the comments. Enter as many times as you like. Here's a gallery of previous Caption Challenge winners.

Karl Rove sees the President off for the day.
"Hey, that gives me an idea for my speech tonight."
Quick. Drive away before Alberto sees me.
I'll bet I could fit a cigar in that.
…it would be much easier to get my head outta that than my own…
Hee haw! Cheney has to walk alongside!
Now remember, Clinton warned me about chicks like this.
Bush's excitement confirms the "Full Metal Jacket" theory that the only things that come from Texas are steers and queers!
Looks like I need a haircut!
I didn't know mom would be here!
Hey Laura who has a bigger balls me or Chavez?
Hey Laura who you think is bigger me or Putin?
Hey Laura I got a bigger sack than Hu Jintao right?
Laura look its Al Gore