thus I think that it better of preparer the version 3.x with new functionality and graphic system
Well it must be for 3.x. Let's remain some coding standards in version numbers for most open source projects. There are three digits: - the third one change for bug fixes only ; - the second one when modifications regards large part of the code; - and the first one for major changes.
With these conventions: - the next version could be 2.2.1 or a 2.3.0 since the big "lib.inc.php3" has been splitted; - a new interface like the nice one you suggested and thumbnails must lead to a 3.x version since it implies far or less a rewrite of of the whole script.
Loïc
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