Have you tried the ebay classifieds?
http://stlouis.ebayclassifieds.com/ you will have to change it to your local area. It won't let me get a main page keeps taking me to st louis which is my local area.
Or craigslist.
then there is always websites like
http://www.twopeasinabucket.com/mb.a...st&forum_id=57
Maybe even Etsy.com in the supplies area.