I'm really enjoying experimenting with materials lately. I've never been a big fan of acrylic paints, but I'm finding you can do so much with them!! I love laying in a wash and then wiping it out, leaving a beautiful residue stain. Also, while the piece is laying flat, try painting an opaque layer, then while it's wet, dripping and spattering water on it. After a few minutes, use a flat brush to lightly pick up the areas where the water settled. It produces an amazing effect. Refer to the bottom of my piece, "The Lake".
Please check out "The Lake" and my other abstract pieces in my portfolio.