Help with photoshop

Some related problems.. (photoshop cs2)

-I have a greyscale height-map image, and would like to select every pixel, magic wand style, at or below a certain RGB color... so say select every pixel below RGB 65.

-If possible I would like to select every pixel between two RGB boundaries.. ie 0 and 65, 65 and 200, 200 to 255

-And lastly.. is it possible to select those pixels and replace them with a tiled texture image?




--thanks

 

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http://www.arraich.com/ref/aatool_magic_wand6.htm

 

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Perfect!

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-Thanks

 

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