ZBrushCentral

Polypaint Issue

Hello

I am attempting to follow a tutorial for making a tiling block wall texture. I have my bricks painted up ( and they look fine at the stage of actually making them) but when I place them to a canvas, as in the shot- they have weird artifacts all over them. I also get, when attempting move or rotate of scale the objects, a strange ghosting around the object. (The artifacts are evident in the viewport and in the workspace, they show as light flat colours or red blotches in my tools palete.)
The process is long winded and convoluted enough as it is without getting to this stage and have it go wrong. If anyone can offer a suggestion I would be grateful:) Many thanks.

Attachments

polypaintgarbage2.JPG

polypaintgarbage.JPG

what is that grid in the background?

I guess it´s another layer in the 2.5D layers. By pressing CropAndFill in the Texture palette

Please show your Layers Palette so i can see if you are painting the new brick in the correct layer