how to connect solar cells
http://www.google.com/search?hl=en&q=how+to+connect+solar+cell+to+motor&btnG=Google+Search
Products:
(link to plenty of other products)
http://scientificsonline.com/search.asp?start=16&sb=2&ss=solar%20cell&sid=google&t=ss&bhcd2=1189515107&cm_mmc=google-_-cpc-_-edmu-_-solarcells
powerfilm (various rollable solar cells)
http://shop.solardirect.com/product_info.php?cPath=23_205&products_id=444
Sol Charger (various size photovoltaic cells)
http://shop.solardirect.com/product_info.php?cPath=23_205&products_id=664
(official distributor)
http://www.siliconsolar.com/
(looks un-professional)
http://www.partsonsale.com/products.html#anchor850177
http://www.gemplers.com/item/145874.html
lots of good cells
Research: