This effect was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
This filter tiles your phot with an offset to the copyies so that the source photo can be seen beneath
This filter could not be possible without The work of Uberzev Normally I use my plain gradients to produce tileing but in this example It was greatly simplified utilizing his curve technique for tileing
tile repeat photo offset space clone uberzev uber