All you do is select a slot, regardless of whether it already has a picture in it, and upload your new pic. It will overwrite the old one. If not, then it must be rejecting the new pic because it is over the 60K file size limit or it does not have a .jpg extension. (all pics must be jpg)
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Dan McClain, Editor
The Mustang Works Magazine
1991 Mustang GT - NOVI Supercharged 377 Stroker
1999 Ford Lightning SVT - 2000 Prototype updated by Roush