Shamelessly stolen from The Readiness is All:
day 1- recent picture of you and 15 interesting facts about yourself
day 2- the meaning behind your blog name
day 3- a picture of you and your friends
day 4- a habit that you wish you didn’t have
day 5- a picture of somewhere you've been
day 6- favorite super hero and why
day 7- a picture of someone/something that has had the biggest impact on you
day 8- short term goals for this month and why
day 9- something you're proud of in the past few days
day 10- your pet, a picture, why you like him/her
day 11- what's your week like?
day 12- how you found out about blogger and why you have a blog
day 13- a letter to someone
day 14- a picture of you and your family
day 15- put your ipod on shuffle: first 10 songs that play
day 16- another picture of yourself
day 17- someone you would want to switch lives with for one day and why
day 18- plans/dreams/goals you have
day 19- nicknames you have and why you have them
day 20- someone you love
day 21- a picture of something that makes you happy
day 22- what makes you different from everyone else
day 23- something you crave a lot
day 24- your last five facebook statuses
day 25- what I would find in your bag
day 26- what do you think about your friends?
day 27- why are you doing this challenge
day 28- a picture of you from last year and now, how have you changed since then?
And two more to bring it up to a full 30 days...
day 29 - favorite tv shows and why you like them
day 30 - movies you can watch again and again (if such movies exist)