Here are links from previous posts about Watercolors that you may have missed.
Splash and Draw. Critters with pen and watercolor
Watercolors and Crayons. Love resists
Use your Watercolor in your Art Journal (just an example)
Melanie Testa and Me: Inspiration Exchange, (all about Frisket :)
Leaving the White Space (from Carla Sonheim's Practicing Whimsey class). I challenged myself to leave spaces unpainted when I took Carla's class.
There is loads of info on The Sketchbook Challenge blog. Most of us use watercolor.
Enjoy your weekend! I'll be back on Monday with a video on painting watercolor papers for collage.