hey hey hey.. you gotta draw more stuff to make it in the game ;p add some 30x30 tiles of the brick work and garden plants(?) that you'd like to see.. i can cut to a level that is just the garden if you like.. it could be a huge maze that somehow fits in the little backyard behind your house.
you could then make a text file that is like a grid of characters..
x x x x
x 0 0 x
x b 0 x
x x 0 x
where x is brick.. 0 is grass. b is a bush.. ya know???