[img=http://img294.imageshack.us/img294/1595/rawrmw2.png]
Sorry, I said ruins, I forgot exactly what tile it was(It looks kinda like ruins) You have to switch up what you use for certain cliff pieces, but that one helps, the one you used is here:
[img=http://img520.imageshack.us/img520/1937/24370002cn3.png]
Notice how it actually goes into a ravine, which is why it makes things look like cliffs if used too much, it works for some cliff pieces, but if you don't change up which cliff piece you are using, or you only use that tile, it makes the entire thing look like a cliff. Using bits and pieces of high dirt doodads works best for blending the cliffs to high dirt.

Sorry, I said ruins, I forgot exactly what tile it was(It looks kinda like ruins) You have to switch up what you use for certain cliff pieces, but that one helps, the one you used is here:

Notice how it actually goes into a ravine, which is why it makes things look like cliffs if used too much, it works for some cliff pieces, but if you don't change up which cliff piece you are using, or you only use that tile, it makes the entire thing look like a cliff. Using bits and pieces of high dirt doodads works best for blending the cliffs to high dirt.