when PLTPICTBOX is set, include "Insert Pict Box" in DrRacket
when PLTPICTBOX is set, include "Insert Pict Box" in DrRacket

Works well enoough for demos, at least.

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket