30 days.

I will start this when I get my camera out to take a photo :P

Day1: a photo of you today.
Day2: a photo of yourself at least a year ago.
Day3: a photo that makes you happy.
Day4: a photo of a place you'd like to visit.
Day5: a photo that makes you laugh.
Day6: a photo of someone you love.
Day7: a photo of something you stand for.
Day8: a photo of something you enjoy doing.
Day9: a photo of yourself when you were a baby.
Day10: any photo you like for any reason.
Day11: a photo of a night you loved.
Day12: a photo of when you were happy.
Day13: a photo of one of your favorite movies.
Day14: a photo of your best friend (s).
Day15: a photo of you and a family member.
Day16: a photo from your childhood.
Day17: a photo from a trip you'll never forget.
Day18: a photo of your town.
Day19: a photo of your favorite thing from school.
Day20: a photo of something you ate today.
Day21: a photo of somebody you find attractive.
Day22: a photo that you associate a good memory with.
Day23: a photo of something you want to do someday.
Day24: a photo of what you want to be when you grow up.
Day25: a photo that inspires you.
Day26: a photo of your favorite subject in school.
Day27: a photo of something you are looking forward to.
Day28: a photo of something/somebody that made your day.
Day29: a photo of your favorite person from history.
Day30: a photo you find beautiful.