You can start off with the reference we publish. Our FAQ PDF has a wealth of background information.
http://forum.lugerforum.com/showthread.php?t=13121
You can post pictures from the advanced editor. Hit the "Go Advanced" button.
Take them in shaded natural sunlight (without flash) and size them to about 1024 pixels along the longest axis. Use a camera that allows you to control focus, and use a tripod if possible to keep things sharp.
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Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.