HELP!! how do I put in a header of my own??

A very kind soul already gave me a hint but I can't make it work *cry* Maybe one of you has time to tell me step by step how to do it? *PLUEASE with puppy dog eyes*

a gift

for siriala and brushed_velvet for their help in putting up my own header!! You guys rock!

And when I capped TDK, I realized how many different ties and shirts Bruce is actually wearing! I hope you enjoy this as much as I do. And there are no textures on there on purpose ;)