You might also try some of the better department stores. At Christmas many of them were selling Animal Planet pet items -- beds, sweaters, and these type of portable pet houses. Many of them are putting these items on clearance right now as they don't normally carry them except at Christmas. You might find one for a steal! They look like they might blend in with decor a little easier than the pink & blue paw prints. Here is an example of one on ebay:
Animal Planet Portable Fold & Go Pet House Shelter - eBay (item 280612461287 end time Jan-12-11 19:04:22 PST)