boehlke [1] filed a deletion request for rgbpaint [2]: AFAICT, this mtpaint fork hasn't been updated since 2007, and will probably become increasing hard to maintain as time goes on. It is a very simple drawing program, for which there are many alternatives.
[1] https://aur.archlinux.org/account/boehlke/ [2] https://aur.archlinux.org/pkgbase/rgbpaint/
