What are some cool effects you can get using a digital camera?

I don't mean in photoshop.

One thing the digital camera makes a little easier is the infrared shot...but you will still need to buy an infrared filter. It seems like you don't need to expose it as long as traditional film, and the histogram tells you right away if you need to expose it longer.

Here's a recent sample from a Canon 20D:

http://www.pbase.com/ken_fong/image/7722...

Who cares? Why would a person buy a limited number of effects in a camera that will rapidly go out of date in order to manipulate the only possible image on a tiny little screen when the alternative is to work on a big screen (print size usually, but enlarged more if desired) with dozens of effects in each program and additional programs available for a fifth to a tenth the cost of a camera and to be able to keep the original and save away multiple copies and versions.
The only useful effects worth having in a camera, and that does not apply to digital only, are changing the depth of focus by opening the lens and compressing the view with telescopic lenses, but I don't think you meant those.
This sound like the people who filmed "South Pacific" and believed that it would be possible, if they put a color filter over the lens that it would be possible to take the color out later. Nope.

Some good ones that I have are the color tones, sepia, black and white, color. I can also make my photos cartoons, coloring book, fish-eyed and spotlight.

But there aren't a lot of great features that just come on the camera, most come in photoshop programs.

White Balance:Daylight