I really like the versitility of Lazertran. It can take some time getting used to it and how it dries, but this process can be used as part of the piece.
Below are some images of some of my Lazertran pieces...
Using different types of varnishes and mediums, you can retain the opaqueness of the transfer or you can let it become transparent, with only the darker colours remaining.
Some of the images I have used: PhotoPatterns