It's getting harder and harder to get anything done on my map without succumbing to various distractions. My creativity is reaching it's limit

If you have some time, I'd love some feedback and suggestions. Screenshot is below.
[img]http:///www.geocities.com/dallen_w/Full.jpg[/img]
Specificly, I'd like some ideas on how to fill up all the empty land areas. It looks good in photoshop, but in-game, its, well, boring. I've used about as much forest as I'd like.
I know in a general sort of way where the cities will go, and am planning some smaller hamlets and forts, etc. And an extensive dungeon system, of course. I'm saving it for last, since I know I'm going to just -hate- doing it.
As to all the water, eventually I'd like to put in some more islands. But I want to finish what I have first.
So, any suggestions, ideas, or even criticism? I'm open to anything at this point.