From One Man's Blog>>
If you don't want to use a program to store all your different passwords, try this: Use a sentence or song lyric you've memorized. It's better if it's scatological or profane, because you'll remember it better. Here's an example:
"I hate having to remember my friggin password for this piece of sh*t site!" becomes
Then substitute numbers that sound like words in your sentence, in this case using "2" for "to" and "4" for "for":
And then add something like "piece of sh*t" becomes POS, to capitalize more words, so it's now:
And finally, personalize it for each site:
Where POSG means "piece of sh*t Google site"
"Ihh2rmfp4tPOSMs!" means Microsoft site.