Rule #1 - Be Patient - Rule #2 - Don't ask when, if you don't contribute - Rule #3 - You have coding skills - LinuxMCE's small brother is available: http://www.agocontrol.com
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Sounds to me like you are trying to use a UI that is not compatable.
go to admin>wizard>devices>media directors
then find the UI drop down and change it to UI1.
It took me a good 10 minutes for it to rebuild the images then I was ok.