At long last, I've finally gotten to work on the main continent for my campaign. I figured if I put it off any longer my group's current campaign will end before I can get all the maps finished.
What I'm posting here is in the planning stages. The continent's shape is pretty much just how I want it. What I'm asking for is advice on placement of biomes and geographical features. I think this rough makes sense for what I want. I figure the heart of the Roman-esque empire, the little kingdom that grew into a republic and then went on a continent-conquering warpath that ensured every last speck of dirt was owned by the human known as Holy Emperor Saerdast, to be centered in that big eastern projection bordered by mountains to the west and north. Above that are the forests that were once the heart of the Eladrin empire that collapsed several millennia before the rise of the human empire. To the northeast, the Nordic-flavored goliath and shifter kingdoms/trading hubs/nomad lands that have a tributary relationship with the Imperium.
Northwest, more human lands with a bit more of a medieval feel to them, all stone castles, sharecroppers, and a smattering of independently-owned farming communities where people would rather live as poor landowners and live with the risk of raiders and famine than give up their rights for the stability and security of life as plantation slaves. Southwest, the dwarf and drow kingdoms, who like the goliaths and shifters decided to live with tribute and occupation rather than get embroiled in a bloody war that they would eventually lose. At least this way they get to keep their own governments.
So please, keeping these things in mind, tell me if you can see any big problems with my planned layout. I think the wetlands might be a little too extensive for the scale I'm planning (very, very big, this is a large continent), but just give any advice you can.