1. Take a break. Really, put down your camera for a week (or however long you need) and rest. Go to the museum, go to the park, go to the coffee shop and write to your journal (see #5 below). Go camping for a few days. Without your camera, just use your eyes.
2. Bribe yourself. Sometimes what you need more than a pep talk is a little gift to get your creative juices flowing. Maybe a new Lensbaby Muse
or Zipshot tripod 
will get you shooting, or maybe a nice little point & shoot camera so you don't have to lug your DSLR around everywhere. I have a Canon s90
and a Panasonic GF1 for just those occasions, both of which I like better than the Canon G10, here's a random shot from it:
3. Sit and smoke a cigar for an hour
4. Have lunch with another photographer (or two). Bring your portfolio, have them bring theirs and do a mutual portfolio review. Share some war stores.
5. Buy yourself a copy of The Artist's Way by Julia Cameron
(avail in paperback
). Honestly this is one of the best things you can do for yourself if you are in a creative slump. It saved me and steered me unerringly in the right direction. Best of all, its easy, all you need is the book, a pen and a pad of paper.
