No, thes are just Content packs for Flans Mod see the Mod thread here http://www.minecraftforum.net/topic/182918-125flans-mod-rewritten-and-now-totally-awesome/
All models and packages are covered by international copyright laws. In general they are free to use on your server for free. If you recive the package as a part of a collection and you payed for it, then you where screewed.
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