Files from
http://cd.textfiles.com/librisbritannia/GRAPHICS/CLIPDRHA/1283.ZIP
http://cd.textfiles.com/librisbritannia/GRAPHICS/CLIPDRHA/1246A.ZIP
http://cd.textfiles.com/librisbritannia/GRAPHICS/CLIPDRHA/1246B.ZIP
http://telparia.com/fileFormatSamples/image/drHalo/

The files letter- are small clip art of what the name says.
The BP- files look like scans of pictures from Beatrix Potter books.
KLINGON.CUT is a nice line drawing of Klingon ship.
LANDER.CUT is a dithered conversion of the lunar lander picture.

They were originally monochrome images. The have been converted to
the white color for the TI.