I really don't know how helpful this will be for you, but since you prefer map symbols and brushes (made by others) and you seem to work on Japanese flavored maps, I have a bunch of symbols I made about a year ago and are in the Map Elements Forum.

Because I too create lots of Japanese style maps, and I'm a bit of an artist, I desired mountains and terrain features that resembled Ukiyo-e Japanese print art for that extra bit of Japanese nostalgia.

Here's a link to my symbols in that forum...
http://www.cartographersguild.com/showthread.php?t=3912

Here's my February 09 map challenge entry where I used these symbols to create a map of Japan during the last year of the Genpei War, 1185,
http://www.cartographersguild.com/sh...?t=4193&page=5

I hope that helps you!

GP