Some more paint ideas...
*Blow w/a straw
*Use fingers, toes, elbows or nose :-)
*Dip Mardi Gras beads
*Roll corn on the cob
*Old tennis shoes
*Bottom of plastic soda or water bottles
*There are unlimited ways to paint w/your preschooler. Look around your house. If you think you can paint with something , you probably can!