Make Sys Image boot Especial

Make image 16 colors 4bit in .BMP

boot-splash.svg Export to boot-splash.png Using Inkscape

boot-splash.png to "15 colors" boot-splash.bmp Using Gimp

Make .rle

bmptoppm boot-splash.bmp > boot-splash.ppm

ppmtolss16 '#ffffff=7' < boot-splash.ppm > boot-splash.rle

Howto and get ppmtolss16 in http://www.sweb.cz/Frantisek.Rysanek/splash/isolinux-splash-HOWTO.html