if we want to make art, we often have to be able to afford materials, time, etc. something that can make these things available are grants and contests.
this by no means is an exhaustive list, but ill continue to try and update it.
this one by editorial photographers is for students. its due tomorrow (30.5) so enter if ya can in time! http://www.editorialphoto.com/epedu/
check this every so often for new stuff. sometimes they have grants for artists but most of this is super specialized in academia http://www.upenn.edu/researchservices/