This tutorial shows how you can add a splash image to your GRUB 2 boot loader on Ubuntu 9.04. Please note that you should use this tutorial only if you have upgraded your bootloader to GRUB 2 previously, as shown in this tutorial: How To Install GRUB 2 On Ubuntu 9.04
I do not issue any guarantee that this will work for you!
Adding Splash Images
Open a terminal (Applications > Accessories > Terminal)…
… and install the grub2-splashimages package:
For more please visit :- http://www.howtoforge.com/how-to-add-a-splash-image-to-grub-2-on-ubuntu-9.04