Social Networking Site - Upload Pictures

[eluser]$ilovephp[/eluser]
I am currently developing a social networking site (like facebook, friendster, etc.,) where in the user can upload multiple photos or images. My question is, is it rightful to store the uploaded pictures to the database or just save it to a folder.

Any idea? or Other options that will cater this problem. Thank you. Your answer is greatly appreciated.