Got asked by someone to recover some missing pics and found a useful program after a quick google so I thought I would post it in case it helps anyone else as apparently most solutions need a mac or you have to pay for sw.
Download the zip file below, open a command prompt and simply type ithmbconv c:\directorywithithmb's - obviously subsituting the directory with your location and it quickly converts them all.
Apparently it may only generate ppm files (depending on the actual contents of the ithmb files) which can be converted using paint shop pro or irfanview but I got the jpg's as well.
The readme mentions the program is not supported so I would make a copy of the originals first.
ithmbconv.zip
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