1. Copy the List, and a link to this deviation into your journal so people can see that you are in the challenge. When you have done one of the themes you can put a link to your deviation right next to the creature's name so everyone can see which themes you have done.
2. You can interpret the themes how ever you want.
3. You don't have to draw if you don't want to. It can be photographs, poetry, stories, crafts or whatever you want, as long as it's made by you. If you do photomanipulations using art made by others you need to have permission and give proper credit of course.
4. One creature for every picture/photo/whatever.
5. They can be done in whatever order you choose, and there's no time limit.
6. Write in the comments for your artwork that it's part of the challenge, what theme it is, and add a link to this deviation.
100 Creatures Challenge
1. Vampire - http://en.wikipedia.org/wiki/Vampires
2. Werewolf - http://en.wikipedia.org/wiki/Werewolf