i have an archive with 255 images..but i dont know what tile size to use because. so if i choose to duplicate my tiles twice does that mean my tile size is 510? i tried that but it didnt work....can you tell me all the fields that i have to put in...like the tile duplications stuff and tile size. and i dont really understand what duplicate spacing is..i always get a black empty tile...

thanks =)

Duplicate Spacing means the minimum distance between copies of the same image. It is the best way to allow duplication without the need to specify how many times each image can be duplicated at maximum.
If you set Tile Duplication to 2 then yes, it is like if your collection has 510 images, but there are other constraints that may reduce the tile count. One is the Duplicate Spacing, another one is the Tile Variants. You must allow Tile Rotation 90 degrees so that a Landscape image can be rotated and placed in a Portrait Tile for example. Or you must have enough Landscape/Portrait images.

byee
Andrea