http://www.radioshack.com/search/index.jsp?kw=desoldering+braid
regular stranded wire wont work. you should be able to pick up the wick at any radio shack.
If you want a more mechanical way. go with this
http://www.radioshack.com/product/index.jsp?productId=2062731&cp=&sr=1&origkw=desoldering&kw=desoldering&parentPage=search