extract 1st image tag from mysql query

[Razor985]

I would like to know how to extract 1st image URL from a mysql Query.For a example:\[code\]<p>Nowadays forums have become very popular, almost every site on the web have a forum. An Internet forum, bulletin board or message board, is an online discussion site where people can hold conversations in the form of posted messages.</p><p>This is a list of top 10 free and open source software for creating your own forum.</p><h3>1. phpBB</h3>phpBB is a free flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website.<br><br><img alt="" src="http://www.yoursite.com/phpbb.jpg" align="none"><br><br><h3>2. Simple Machines Forum</h3>SMF is a free, professional grade software package that allows you to set up your own online community within minutes.<br><br><img alt="" src="http://www.yoursite.com/smf.jpg" align="none"><br>\[/code\]From this i need to extract http://www.yoursite.com/phpbb.jpgHow can i do this. Thank in advance