My dh made me a flat surface surround for my machine out of styrofoam. Here is a link to the Youtube videos that show how to do this:
http://www.youtube.com/watch?v=g14govA4pIM
http://www.youtube.com/watch?v=yAS25v3ZTk0
http://www.youtube.com/watch?v=A0lk7UBQgZY