If you know how to use it almost anything. You can't believe your eyes anymore. Beyond just modifying photographs I use it to do animated titles and things like that by starting with frame 1 and then duplicating it on a layer modifying it then copying that layer and modifying it etc. Until I have the frames all stacked up they can then be made into an animated video by saving each layer and processing them in my video editing software. I have made cards like birthday cards etc. for years by putting peoples faces into classic paintings matching the ure brush strokes and color so that it really looks like it was painted like that. I've even added peoples pets to Lanseer paintings. There's almost nothing you can't do I once took a photo of myself standing in front of a giant wild Buffalo in Colorado. I carefully retouched out the fence that was between us so it appears that I'm standing only a few feet in front of him with nothing in between. You can increase the resolution and eliminate the pixelation so that even the smallest details can be changed If the original is clear I sometimes work at 12 ppi. When it is reduced back to 3 ppi the changes are invisible. I used to make animated sigs to place on Forums some were really funny but now most places don't let you do that anymore. Your imagination is the limit I'd put in a few samples if I wasn't on my tablet. I started with Photoshop version 2.5 a very long time ago. One real job I did was to add garlic toast to a photo of a steak dinner that was shot for a menu cover I had to move and resize all the other elements to make it fit and even simulate the grease on the bottom of the dish but when I got done it looked for real. It was one aspect of my business that I always liked doing.