I have found some (new to me) modest clothing places!
Here they are- enjoy!
http://koshercasual.com/ (Jewish, I think)
http://www.diviinemodestee.com/ (I think this might be Mormon)
http://www.limericki.com/ (not all of this is modest)
http://www.jenclothing.com/ (definitely Mormon)
http://www.vintagehem.com/ (slips that lengthen your skirts' lengths)
http://www.tznius.com/ (Jewish, I think? Nice dresses)
http://www.liliesapparel.com/ (some nice dresses)
http://www.modestworld.com/products.asp?cat=9 (has some nice skirts)
http://www.simplymodest.com/ (really inexpensive!!)
There's a few for you. :)