**sizes to use
**-Pretty much best to stick to what 3D terms as "the power of two" which is 256x256, 512x512, 1024x1024, 2048x2048, etc. Also, in Photoshop if you keep it to those dimensions, the "render clouds fauture will be automatically seamless. (I use the heck out of that filter in texture creation)

**best formats for exporting from Photoshop
**I would say save in the Photoshop (psd) file format. Bryce can read it, its uncompressed, so you don't need to worry about image cimpression artifacts, and as you start making more textures in photoshop, you will want to keep the layers intact for (sooner or) later tweaking.

What version of Photoshop and Bryce are you using? (this wil lbe important pertaining to greyscale image creation and importing into Bryce)

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