psboxit – Enables one to put a PostScript drawing behind a TeX box
The drawing is parameterised by the position and the size of the TeX box.
Maybe you are interested in the following packages as well.
- background: Placement of background material on pages of a document
- espo: Customisation for Esperanto
- threecolumn: LaTeX output in three columns
- gridpapers: Graph paper backgrounds and color schemes