Customize usplash

Ben's Own Graphics Library is needed

sudo apt-get install libbogl-dev

Convert jpg to png (Gimp)

tohajuko_1280.jpg –> tohajuko_1280.png

Build usplash shared object

pngtobogl tohajuko_1280.png > tohajuko_1280.c
gcc -Os -g -I/usr/include/bogl -fPIC -c tohajuko_1280.c -o tohajuko_1280.o
gcc -shared -Wl,-soname,tohajuko_1280.so tohajuko_1280.o -o usplash_tohajuko.so

Use Startup-manager to configure usplash

Appearance → Usplash themes → Manage usplash themes

GOOD LUCK!