Ok. I've got a plan. The vivitar 283 says f11 at 10ft. SO, I'll put it on the Purple setting and shoot nothing smaller than f11 (Meaning I will shoot f11, f8,). This should be a giant step in the right direction. BY MY LOGIC... If I am closer than 10 ft on this setting, skin might be blown out, but I will try it without the diffuser anway, just to see it. Then I will try it with the diffuser and open up MORE (f5.6). I will then meter for the BG light at whatever f-stop I choose and get my shutterspeed (sub question: If my sync speed is 1/125, does that mean the action will be captured at 1/125? I know there will be a blur effect) . Hopefully I know what I'm talking about this time around and will get some good pics . I guess I was used to shooting fast shutter speeds because I usually shoot at outdoor spots, so thanks for all the help! -Justin