If you need burn iPhoto Slideshow to DVD, you can go to the step-by-step guide on dvd creator for mac
If you want to create an editable Photo Stream folder in iPhoto, following this:
Step 1. From the File menu, select new Smart Album.
Step 2. In the Smart Album window, give your album a name. Perhaps something creative like “Photo Stream.”
Step 3. From the left pull-down menu under “Match the following condition,” choose “Any Text.”
Step 4. From the middle pull-down menu, choose “contains.”
Step 5. From the right pull-down menu, type “Photo Stream” and click OK.
Your new Photo Stream Smart Album resides under the Albums header in the left panel of iPhoto. And you can jump in and edit, drag, and share photos without the both