mashup: Mashup (GTK2+ Image Printing Tool) mashup: mashup: Mashup is a free open source Linux program for printing one or more mashup: image files with a user-defined page layout. Images can be added to a mashup: layout page using the mouse to select and drop into place. Images can mashup: be moved around and resized using the mouse. Adding text (titles mashup: notes) works the same way. Any font can be used. mashup: mashup: mashup: mashup: