Not sure where I should of asked this .... tutorials on terrain?

[Mortimer]

Given its more looking for starter tutorials than getting critics on any current work ... I wasn't sure if I should of posted in the creativity spriting forum.

I am looking for resources on learning the art of pixel terrain ... direct top down prospective. How to build a map tile-set that meshes together well.

E.G. From this prospective.

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[url=http://s1245.photobucket.com/user/incognitoplays/media/8.jpg.html]
Or like the above, except squares and not hexes.

Thank you