I stumbled onto to an interesting young artist, Talia Chetrit, as I was reading the New York Art Beat blog, http://www.nyartbeat.com/nyablog/2009/08/young-curators-on-the-art-of-new-ideas/. Check Talia out at: http://www.taliachetrit.com. A lot of optical effects, perfect for incorporating into Op Art units. A newer take on Bridget Riley. Her methods use Photoshop as well as traditional darkroom procedures, calling into question whether her work can truly be called "photography." These are great questions to pose to older elementary students about the blurring of the lines of traditional process by using technology...