How are links handled in my posts?

If you type in what looks like a url (i.e. begins with 'http://'), it will be converted automatically, and if possible, a title will be looked up for it. Non HTML types like jpg or .pdf don't have titles, and some sites make it relatively difficult to retrieve them.

Alternatively, you can use the anchor tag (<a>) to surround text if you want to create a link with a specific title.