I got textures u can upload to the knew sandcrawler site, here's sum links. 8) I recomend the first two.
http://www.filefront.com/16651709/All_Purpose.utx/
http://www.filefront.com/16853989/All_Purpose_2.utx/
http://www.filefront.com/16651759/Subway-Airplane_Pack_1.utx/
You can, just package them ina zip or compressed format and add them as a download.
thx