off camera flash settings

Sikor7 wrote in post #11923406
I know many say it won't work outdoors but that is hogwash. I have purposely set up difficult situations (flash behind the camera) and the flashes fire every time as long as the trigger has something to reflect off of (i.e. white or light shirt.)

I have never seen anyone say they do not work outside. I have seen that they do not work reliably outside in bright sunlight. This is a very true statement. By your own comment you need your subjects to dress in white so your camera equipment will work.
ChewieT, get some inexpensive wireless triggers like the Yongnuo RF-602 or the soon to be released RF-603 and shoot with manual flash off camera. You will get reliable operation and consistent lighting. I have never seen the triggers you linked to before so I cannot comment on them.

I have a Canon 60D, which I got in part for the wireless flash function. Indoors it works flawlessly in moderate sized rooms and even around corners due to reflections. Outdoors I tested it in the snow with sun in Toronto this past week. As long as the flash sensor is pointed toward the 60D pop-up, my 430EX worked flawlessly at distances up to 25-30 feet, which is what Canon claims in the manual. The 7D has essentially the same wireless system, except that it controls 3 separate groups instead of the 2 groups for the 60D. It's a great system unless you want to trigger from 50-100 feet away, in which case radio control is the only way to go.