If you have Photoshop CS3 you can automatically merge two different photographs to create a new one, with Photoshop doing all of the hard work for you.
Often clients deliver images that are not really good enough for use on the web. Photoshop comes with some less well known features that can improve image quality drastically in a couple of clicks.
In creating a website branding is as important as any other discipline. One of the techniques I like to use to evoke brand messages is to use captioned images. Using a photoshop and a bit of knowledge of masks and opacity you can have a powerful brand motif in no time.
Especially for high contrast images the Magic Wand tool makes selection simple. A tool for daily use this example shows how to remove a background quickly and easily.
I get a lot of search engine referrals from people looking to create curved images or curved rectangles in Photoshop. So here's a quick tutorial to show you how.