Wow, I never noticed that P7 no longer has Max texture size!

Couple side suggestions that may be of some help - if you have Photosop, IIRC you can create a resize action then run it as a batch function.

If not, there is a thumbnail proggie that I use a lot, it;s called Thumbs Plus, it has all kinds of batch functions - especially resizing. I use it often to proces a whole folder full of 8 megapixel photos into a web-friendly size.
If I remember right, the program has a fully functional 30 day trial.
http://www.cerious.com/

Hi, my namez: "NO, Bad Kitteh, NO!"  Whaz yurs?
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