This is a 1024x768 screen in 8-bit colormapped mode. (click to enlarge)
Jehanne can also run at 16-, 24-, and 32-bit depths.
The graphical programs displayed are: the system statistics watcher stats, the MirBSD's Korn Shell in a vt virtual terminal, the text editor acme, the image viewer pict/jpg (showing Joan of Arc), and the window system rio.
Acme is running /qa/check.
Additional screen shots are available: just poke around. :-)