Wouldn't be more propriet to use new table, where you are able to enter title and link?
CREATE TABLE `4images_links` (
`link_id` mediumint(3) NOT NULL auto_increment,
`link_user` mediumint(8) NOT NULL default '0',
`link_url` varchar(60) collate latin1_general_ci NOT NULL default '',
`link_name` varchar(60) collate latin1_general_ci NOT NULL default '',
PRIMARY KEY (`link_id`)
)