Edit the recordset to use a join query to return the related data, then change out the binding to use the column that contains the label info.
see the following page for details on join queries:
http://www.w3schools.com/sql/sql_join.asp
any file size limits for uploading files will be imposed by the PHP server.
See this page for details on server settings that effect the upload file size:
http://www.developershome.com/wap/wapUpload/wap_upload.asp?page=php2