mtpaint : Simple painting program for creating icons, pixel-based artwork, and manipulating digital photos ( https://mtpaint.sourceforge.net/ )
vuescan : VueScan is a scanning application supporting hundreds of scanners ( https://www.hamrick.com/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a norayr-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/norayr-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org