In my experience, dis button
Then you just drag the image proportions to your desired size with the little boxish boxes of image manipulatey goodness.
I HOPE THIS ASSISTS YOU IN YOUR PICTURE UPLOADING VENTURES!
Really sweet style on your most recent picture, I might slap a negative effect on it and make it my desktop picture!
Negative effect because I prefer dark backgrounds if I'm gonna have em there all the time, not that I don't like it the way it is though, it's got that sweet pen ink drawing sort of look to it. XD