Google is set to launch <A HREF="http://news.zdnet.com/2100-9588_22-6083503.html?tag=zdnn.alert">a new feature in its Picasa</A> photo management application that will let people organize and share photos over the Web. Picasa Web Album initially will be available only to a limited number of Gmail users. Picasa, technology Google acquired in 2004, is free downloadable software that lets people find and edit photos on a desktop computer and send them to others from a Gmail account or publish them on a blog.