First of all, my english is not the best xD

So back 2 Topic, iam programming a Browsergame, the game is playing in the medieval times. I would be pleased if someone can create me a fantasy map (world).

Unpaid for now. Possible payment at a future date if the Browsergame brings some money.

The map should be styled old link here.

Description of Map:
The map will be called "Ateria". The world should have two or three large continents and several islands and/or island chains. It would be nice if the designer can placed so mountain's and Sea's in the map.
The Climax of the map should be mixed.
On the Top of the Map there should be a bit snow (arctic area)
Somewhere in the middle should be a small dessert
and the rest of the map should be normal climax with green wood.

Quality & Size:
Required for web
Dimensions of maps 600 x 600.
Raster/Vector – Not sure. Willing to discuss with cartographer.

I will have the right to use the image for commercial purposes, the artist will have the right to exhibit the image as part of his portfolio but not to exploit it for commercial gain.