https://www.icyphoenix.com/viewtopic.php?f=26&t=3645&p=24597#p24597
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Artie
Wed 20 Feb, 2008 00:27

Re: Thumbnails Not Working :(
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Your pics don't appear to be huge, so I don't think it would be a memory issue.  :shock: 

Have you tried with the old thumbnail function set to no ?
Is your GD Version set to GD2 within the ACP  Upload tab ?

FYI: Anytime you make a setting change involving your thumbnails you need to clear the thumbnail cache.