First, I'd recommend turning off the grid. It's a lot better to just go with the flow in terms of poly placement.
Second, take a look at some of your favorite maps. I'm guessing that have a fair amount of variability in terms of the terrain instead of flat areas and large, dead ends. While I don't necessarily mind routes that don't lead anywhere, I find it better if they're a bit smaller - more for individuals camping or hiding.
Third, try experimenting with the way you make shapes. Just because we use triangles to make the shapes doesn't mean everything has to be linear. This may also apply to turning off the grid, or the snap to grid function, but you can make a lot of smooth, curving layouts in addition to sharp, jagged layouts.
What I'm trying to say is this - don't sell yourself short and just say it sucks. Yes, the picture you put up is bad. But I consider that a starting point, both in terms of the map you posted and learning to map. Gotta fall down a few times before you learn to walk, 'eh?
Try sketching out a map. That's how I made some of mine, just doodling while I was bored in class/work. Think of routes that would be fun to run around - think circular, and "flowing". Routes that promote movement and interaction. Catch my drift?
Also, please don't make topics with all caps as it is against forum rules. I've changed the title because of this.
