www.photographersdirect.com/buyers/search.asp?search=riverboat%20cruise&maximages=40&sz=0&l=on&p=on&s=on&w=on&imagenumber=0

124 images for sale, mainly USA Mississippi and tributaries (fairly well-known boats),
plus Lake Tahoe (paddler), Texas (not paddler), Nile (feluccas), Mali (small boats) and Australia (two paddlers).

Regards,
Roderick B Smith
Rail News Victoria Editor