ok thank you, This could help if I have lets say 3-4 different textures and many tiles to fill. Then it is great tip.
But I look for the solution to use all my 15 textures at my wall, and in this moment MultiShader uses only 8 (for 12 tiles).
I can change the cloner to group of single tiles and add each of them ObjectID. It works this way but it is a lot of manual work and I loose the Cloner options.