These are adorable! - Have children finger paint on card stock. When dry, use the template on this link to cut out an elephant, sparrow, seal, etc. and put in a frame. A nice project for an older sibling to help decorate a new baby's room.
Caz of A Little Learning for Two created this adorable kids activity desk using a crib, particleboard, and chalkboard paint. It's an extremely simple DIY project, but so extremely useful. Cribs really can grow with your child! Get the instructions here.