When it uses photographs, this method of sticking various images on one surface is called "photomontage"
This might 
include photographs, text, different textures and surfaces or even your own ... 
devise a method of randomly selecting images to use, such as throwing a dice for
... [DOC] [TLE] Glossary of Visual Art Terms - Nancy Doyle Fine Art [PAR] The Action painter, Jackson Pollock, was the first to use all-over (also called 
infinite) ... (A found object is one that the artist comes upon and uses, as is or 
modified, ...