Here's a challenge for you:
Take this picture:

And put it on this wine glass (thanks to
http://www.public-domain-photos.com/) :

Now make it look real- it should wrap around the glass. Here's a couple of hints to get you started:
Elements: Try the 3D transform, cylinder, tilted.
PS: Try "warping" it to fit.
Yep, I did it and I'll post an example and a more detailed how to if you all get really stuck... but I think you gurus out there can do this!