Thank you, as well. It was annoying not being able to participate in this thread lol.
I hope this is a wake up call for IMVU. There needs to be a better system in place to prevent and take down stolen work. We do have a Peer Review system to screen products, but there is no option to fail for Copyright Infringement. It wouldn't be possible to add it, either, since we have no idea if the person submitting the artwork is the artist or not, or has permission to do so. The forums wont allow anyone to ask for advice on filing a DMCA takedown notice, because there is the risk of someone giving wrong information or bad advice. It really seems like they don't care. Not to mention, a massive number of disappointed IMVU users built their own website to sell art, since IMVU would do nothing about theft.
http://www.gasrforum.com/