Maybe Archie, Sproggy or timeth will drop by and share some tips.
Grub bootsplash should be 800x600 and in jpg format with metadata stripped out. -- Create it, save as png, close gimp. Open the png and save as jpg. -- The name should be back
. A second copy of the same graphic named welcome
should also be created.
The back.jpg graphic goes in /boot/gfxmenu
/install/. The welcome.jpg graphic goes in /usr/share/gfxboot/themes/PCLinuxOS
is the default theme folder. You will want to create your own.