Collage is one of my favorite art forms. I think it’s the magic of how an image presents itself slowly through the layering and combining process.I use my own photographs, textures, textiles, pencil & paint, as well as public domain images for collage work. If you’re interested, a couple of great sites for public domain images and graphics are the following:

Vintage Printable: http://vintageprintable.com/ and

Public Domain Review: http://publicdomainreview.org/