1. An apparatus, comprising: a processor to: determine a semantic theme associated with an image collection; select a shape associated with the semantic theme, wherein selecting the shape comprises at least one of: selecting a shape associated with the semantic theme from a storage, performing a search of images based on a keyword associated with the semantic theme, and selecting an outline of an object in one of the images in the image collection representative of the semantic theme; create a collage of at least a subset of the image collection in the selected shape; and output the collage.