If you have 5 minutes to spare, click the title link to watch a YouTube time-lapse video of Japanese artist Seikou Yamaoka finger-painting this digital portrait on his iPod Touch, using the £1.99 app ArtStudio. If not, CLICK for a Telegraph gallery of his pictures. He aims to make his images look more like watercolour paintings than digital artworks. He has certainly succeeded.
By the way, some URLs are becoming so long that Blogger can't cope with them. So I've starting using TinyURL!™ on the longest. CLICK to try it.