Tile rotation !!!!

[SPG]

I'm not saying love me ,love me i'm thick ,but... how the heck do i rotate the tiles in the nile editor please ,i have tried to no avail ,so spit it out and tell me straight ,ta !!!

[SPG]

forget that last request ....i figured it out .Place the tile on insert mode then deselect insert mode ,click on the tile so the outer edges turn yellow then use the tile tool icons to flip rotate .To delete tiles ...make sure your not in insert mode, then , click on the tile so outer edges are yellow and use the edit menu to delete .I rest my case