[Position filled] Top-down cliff sprites/textures

Hi,
i need an artist who can do semi-realistic rock cliffs for my project. Some requirements for the sprites/textures:

-They don't use alpha channels as they do now (except the outlines, no alpha fading, so you might have to use pixel fading(just as long as they blend nicely in the grass that is shown at the screenshots))
-They must fit in the graphical style that i have created (see the screens)
-They must be seamless ("really?" :D)
-..and from top-down perspective

Some screens:
http://imgur.com/a/y9w7J

Instructions:
http://imgur.com/RE6ByaE

I really like the Red Alert style cliffs with maybe a little more contrast but viewed directly from above. There is my project page that doesn't show the images, thanks to imageshack, and downloads probaply wont work either, but there is some information if you wish to know more about the project:
http://forums.tigsource.com/index.php?topic=28622.0

If intrested, please send a sample of one of the pieces described in instructions image, or if you have something like that already made, to my e-mail [email protected].

This is a contract work, and we are talking about 40-65$ total (35-50€). I have some other similar work, and if i like your style i may "use" you again.

edit: I can send the grass and sand -textures if it helps.
edit2: I didn't explain why i need solid non-alpha blended textures. It's because alpha blending uses too much cpu/gpu for hilly maps.
edit3: Textures that the cliffs are placed: http://imgur.com/a/05FNs