Slide will check a website feed and bring you the latest information from the site:
• Find the RSS or XML symbol on your favorite website.
• Right-click (or ctrl+click on a mac) on that button and select "copy link location" or "copy shortcut" and paste it into the field above.
• If the RSS feed has photos in it, Slide will find them and create a feed for you.
• You can try one of Google's RSS feeds if you're looking for a feed to experiment with

Subscribe to a photocast someone made using Apple's iPhoto 6:
• Select an iPhoto album that you want to feed into Slide.
• Select "Photocast" from the "Share" menu
• Follow instructions to create a public Photocast and share it by email. The email message will contain the RSS feed URL (starts with "http://photocast.mac.com")
• Copy the RSS feed URL. and paste it into the field above.