in the user database have a column called Avatar, make the upload go to a folder like images/avatar/ or something like then when a user uploads an image, put the path in the database e.g. images/avatar/imagename.ext then its easy for you to display on the pages you wish. as you can just echo the image src=\"http://www.yoursitename.com/$avatar\" something like that should work, the variable avatar would be the avatar path which you would get from the database.

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