Aux water tank

[jetjarv]

Someone had some great photos of putting a 20 gallon water tank under the seat. I can't find it. Anyhow, looking at this

http://cgi.ebay.com/ebaymotors/NEW-...Accessories&hash=item2eb41601c8#ht_2322wt_769

Pondering how I would hook it up. Any suggestions?