$this->setValidator('name', new sfValidatorFile(
                        array(
                            'max_size' => sfConfig::get('app_max_upload_size'),
                            'path' => sfConfig::get('sf_upload_dir'),
                            'mime_types' => array(
                                'audio/x-aiff',
                                'audio/basic',
                                'audio/midi',
                                'audio/x-mpegurl',
                                'audio/mp4a-latm',
                                'audio/mpeg',
                                'audio/x-pn-realaudio',
                                'audio/x-wav',
                                'video/mp4',
                                'video/x-msvideo',
                                'video/vnd.mpegurl',
                                'video/x-m4v',
                                'video/quicktime',
                                'video/x-sgi-movie',
                                'video/mpeg',
                                'video/vnd.mpegurl',
                                'video/quicktime',
                                'video/x-dv',
                                'image/bmp',
                                'image/cgm',
                                'image/vnd.djvu',
                                'image/vnd.djvu',
                                'image/gif',
                                'image/x-icon',
                                'image/ief',
                                'image/jp2',
                                'image/jpeg',
                                'image/x-macpaint',
                                'image/x-portable-bitmap',
                                'image/pict',
                                'image/x-portable-graymap',
                                'image/pict',
                                'image/png',
                                'image/x-portable-anymap',
                                'image/x-macpaint',
                                'image/x-portable-pixmap',
                                'image/x-quicktime',
                                'image/x-cmu-raster',
                                'image/x-rgb',
                                'image/svg+xml',
                                'image/tiff',
                                'image/vnd.wap.wbmp',
                                'image/x-xbitmap',
                                'image/x-xpixmap',
                                'image/x-xwindowdump',
                                'text/plain',
                                'text/css',
                                'text/x-setext',
                                'text/html',
                                'text/calendar',
                                'text/rtf',
                                'text/richtext',
                                'text/sgml',
                                'text/tab-separated-values',
                                'text/vnd.wap.wml',
                                'text/vnd.wap.wmlscript',
                                'x-conference/x-cooltalk',
                                'model/iges', 'model/mesh', 'model/vrml',
                                'chemical/x-pdb', 'chemical/x-xyz',
                                'multipart/x-zip',
                                'application/postscript',
                                'application/atom+xml',
                                'application/octet-stream',
                                'application/mac-compactpro',
                                'application/mac-binhex40',
                                'application/x-netcdf',
                                'application/x-bcpio',
                                'application/x-csh',
                                'application/x-director',
                                'application/x-cpio',
                                'application/x-dvi',
                                'application/x-gtar',
                                'application/x-hdf',
                                'application/x-troff-ms',
                                'application/x-netcdf',
                                'application/x-java-jnlp-file',
                                'application/x-javascript',
                                'application/x-latex',
                                'application/x-troff-man',
                                'application/x-troff-me',
                                'application/msword',
                                'application/xml-dtd',
                                'application/andrew-inset',
                                'application/srgs',
                                'application/srgs+xml',
                                'application/mathml+xml',
                                'application/vnd.mif',
                                'application/oda',
                                'application/ogg',
                                'application/otf',
                                'application/pdf',
                                'application/x-chess-pgn',
                                'application/vnd.ms-powerpoint',
                                'application/rdf+xml',
                                'application/vnd.rn-realmedia',
                                'application/x-sh',
                                'application/x-shar',
                                'application/x-stuffit',
                                'application/x-koan',
                                'application/smil',
                                'application/x-futuresplash',
                                'application/x-wais-source',
                                'application/x-sv4cpio',
                                'application/x-sv4crc',
                                'application/x-shockwave-flash',
                                'application/x-troff',
                                'application/x-tar',
                                'application/x-tcl',
                                'application/x-tex',
                                'application/x-texinfo',
                                'application/x-ustar',
                                'application/x-cdlink',
                                'application/voicexml+xml',
                                'application/vnd.wap.wbxml',
                                'application/vnd.wap.wmlc',
                                'application/vnd.wap.wmlscriptc',
                                'application/xhtml+xml',
                                'application/xhtml+xml',
                                'application/vnd.ms-excel',
                                'application/xml',
                                'application/xml',
                                'application/xslt+xml',
                                'application/vnd.mozilla.xul+xml',
                                'application/x-zip',
                                'application/zip',
                            ),
                            'required' => true,
                            'validated_file_class' => 'sfValidatedFileCustom'
                        ),
                        array(
                            'invalid' => 'Invalid file.',
                            'required' => 'Select a file to upload.',
                        )
        ));