For the older ones :P
How To Paint Trees – Detailed Instructions
...stone art !
Drawing Faces with kids. The human face is a subject that children return to again and again in their artwork. Here's a free printable that can help as kids get older and want to draw more realistically.
Body-Kun -Models for Artists - Scene Makers
Ooh! Haring sculptures : ) Awesome way to display too!
Body Tracing Art Activity for Kids - A great way for kids to make self portraits, work BIG, and explore how they see themselves!
How to paint a horse with watercolor - YouTube
How to paint trees