Manipulating images can be a lot of fun. Especially when they're photos that you've taken. PhotoTwist allows you to change and distort all of the pictures on your iPhone very easily. And of course you can always save a copy of your masterpiece when you're done.
PhotoTwist is about as straight forward as an app can be. When you load it up you can select to important an existing picture or take a new one. It's in your best interest that you take the picture in the iPhone Camera app first so that you an have a copy of the original. That way you don't have to worry about manipulating your only copy of that picture.
Once you load up the picture, you've got plenty of options to pick from. You can pinch, swirl, stretch, and plenty other options. Plus combining multiple techniques will give you some really cool looks. You can set each effect so that you can move on o another one, or if you don't want to do that, you can just switch to another effect and the image stays the same.
PhotoTwist is great for making your pictures look goofy. It does a great job of keeping you entertained while providing some good looking manipulated pictures. Theres no pixelated distortion or anything, so you don't worry about the pictures looking junky when you finish them. If photo manipulation is your thing, definitely check out PhotoTwist.