I've made an attempt to make it look like a canvas, easier said than done.
Here's my attempt at the large one:

.

Ok, but they need to be bigger, people have to be able to read them.

Small map should be able to encompass a region of 1-2 Miles in detail, Medium, 2-5 miles and large 10-30 miles.

This better?

Yes.

I found a new method that looks much better, I'll be uploading them all in a minute: Here's the large one.

.

Nice