First correct gets best answer. how to chng the way the splash screen looks? stp by stp.?

stp by stp. HP Pavillion DV6000 Laptop. i want to chng the way tht my splash screen looks. the screen w/ the list of all the comp. users. plz hlp xplain this in exact detail. iv been trying to chng the way it looks 4 a long time. i like to customize my laptop. iv chng the bg, the ss, the mouse, the theme, the font on all active screens, including the net. thnx.