Did you test the homebrew at home in the dark to make sure the flash worked, I assume you did that. What camera did you use? What are your dipswitch's set on? If all of that is fine and it worked in the dark during testing, then it looks like it's working but the flash isn't going off at the right time or if the spots in the pictures are eyeball reflections then the flash may be out of synch possibly from some interference with the other camera flash being so close?