This guy does look a bit shopworn, doesn't he? For a member challenge such as this one, you can have your photo be 720 pixels on the long side - in height, here. There's a great tutorial to help with preparing shots so you get maximum impact with voters: //www.dpchallenge.com/tutorial.php?TUTORIAL_ID=26
While I'm sure this is a very old cactus, I'm afraid it doesn't make for a particularly interesting photo. Shot also feels a little grainy, like it was taken on a cell phone camera or something.