i have a regular plain canon s100 elph digital. i would like to have a more powerful flash range but something inexpensive for night use. any suggestions and how do they work? i was doing research on slave flashes and i don't know if they'll work with the elph.
will something like this work?
http://cgi.ebay.com/ws/eBayISAPI.dll...824090182&rd=1

thanks. please email me : mrgqboy80@aol.com