Some AWESOME tutorials

Paint a portrait in 30 steps – http://acidlullaby.deviantart.com/art/Portrait-Painting-Tutorial-22707443

How to paint eyes – http://acidlullaby.deviantart.com/art/How-to-paint-eyes-21817387

Hanagumori – http://dianae.deviantart.com/art/Digital-Painting-Tutorial-74468761

Realistic Painting – http://alexiuss.deviantart.com/art/Photoshop-Painting-Tutorial-2-115791296