I have been perusing the forums for a month or so now as I was researching how best to create maps for upcoming RPG adventures. Decided to take the plunge with CC3/DD3 and join the forums since I know I might find some good answers within.
Not a very graphically minded person, to be honest. But you have to start somewhere.
My Finished Maps | My Challenge Maps | Ghoraja Juun, my largely stagnated campaign setting.
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This is a really good place to start. Hit the tutorials and start posting maps for C&C. Don't worry about the artistic talent thing - for a lot of mapping styles you do not have to know how to draw (although an eye for colour and composition is always a good thing).