go to advance map and then block editer its near the top click on picture and click on save tile set 1 and it should be where ever you saved it and you just edit stuff hope it helped or if you wanted to change the pallette colour just go to block editer againg click on pallete and it should come up with some options click on show pallette editer and you just change the colours of the trees or grass or water or whatever and if you like it click on pallette again and just click on write to rom and there you have done it hope this helped to