How can I do if I want to make a diamond isometric tilemap with 2DToolkit?

I want to develope a game .I am using the pulgin of tk2d .Today ,I want to import a .tmx that is made by tiled .The orientation is like this as following.[16684-ori.jpg|16684]

When I import it ,it has a problem.

TK2D don’t support the diamond isometric tilemap.Only we can draw it by myself.