Worldwide Pinhole Day is Sunday, April 25th. Nick Dvoracek has some good info if you're interested in trying your hand.
Another pinhole article, How to drill your own precision pinhole apertures.
If you think you need to spend more time in front of your computer, here is the Definitive List of Online Photography Magazines.
While I like to do night photography, I haven't done a lot of light painting. A nice tutorial on how to set one up is at Joe Reifer's blog.
If you're not doing anything on Sunday, May 2nd at 11 am Eastern, you may want to participate in the New York Times Global Mosaic.
A handy reverse search engine to find out if any of your images are being used in places they shouldn't be. http://www.tineye.com
The above image was taken this past Saturday at the old Grand Rapids Public Museum. It represents some of the animals that used to be used in the old style dioramas. There is something strange about using stuffed animals to teach about the natural world, especially when I think about it the day after Earth Day. It's probably just a changing sensibility. I certainly thought it was cool when I was young.