Considering the amount of time I spend on art groups and discussion forums, I was thrilled to hear about Google Groups support in Google Wave . After moving a couple of online and offline groups onto Google Wave, the other group admins and I realized how effective waves are for managing group content. We use the groups to share our artwork, everything from five-minute sketches, to work-in-progress pieces, to finished paintings. Once or twice a month, we send out group assignments where everyone picks one reference picture or theme to work on. Once they've finished working on it, members drop their work in the wave for that theme. This is a lot of fun since we get to see a variety of interpretations from different corners of the world. Before, our conversations were distributed between 4 or 5 websites and online tools and it was really difficult for new members to catch up with the rest of the group.…