Hey Shelly, it looks like your amp is at least 7.1? Turn one horizontally, throw in a sub and you're done...
http://www.ebay.com/...#ht_3484wt_1139
I used to like MB Quart, haven't heard this model though. He's also selling them in 5.
If you still want large towers up front, check out Swan's Diva series. They have centers and surrounds as well...