my own map isn't working

i tried it, but, how does it work?

many many thanks

The border of the map gets repeated as you can clearly see in your picture. That's "normal" TW behaviour. You have to add 1 tile to each side and fill it with tiles which don't look bad when repeated.

Easiest way is to add +2 width/heigth on each layer, an move the whole layer 1 tile rigth & down. Then you have an empty 1px border were you can place the new border tiles.