Freshmeat page: http://freshmeat.net/projects/tiler/
A really quick little GUI application for Win/Lin/* that can tile an image into a big image with customizable borders and such. It is intended for printing multiple "wallet" size photos on a 4x6 photo.
I found it was far cheaper to order 2 or 4 wallet size photos on one 4x6 than it was to order a sheet of 8 wallets from most online photo finishing shops.
This project has the following developers:
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