1) Take your LJ username and replace every letter with the corresponding number (A=1, B=2, etc...). If your name contains numbers, you'll need to convert them to letters first before you can convert to numbers.
2) Add all of the numbers together.
3) Add each digit together.
4) Find the post of this number in your Live Journal.
5) Go to the word that corresponds the number.
6) Go into google.com or yahoo.com and put that word in the search bar. Find an image corresponding the word.