Hello Jim,
First step is to download and printout the manual.
http://www.atarimax.com/flashcart/forum ... .php?t=490
Images are in fact diskcopies (sector by sector).
You can start them by holding START in the myide-menu and pressing 0,1 or 2.
Then use the joystick in port-1 to select (up,down,left,right) and boot (fire).
Start with a simple DOS-atr and copy that to slot #0001.
After that, boot it, to check if the image setup is ok.
Kind regards,
Sijmen.