iPhoto and iMovie (plus Aperture 2—not part of iLife) let you share their content directly on your MobileMe Web site. Meanwhile, iWeb lets you insert on any page a dynamic preview of an existing Gallery.
To put photos and movies from iPhoto into your Gallery, do this:
Select one or more photos or movies, or an entire album.
Choose Share > MobileMe Gallery (in iPhoto '09) or Share > MobileMe (in iPhoto '08). A dialog (Figure 8-4) appears.
Figure 8-4. The options here allow you to enable or disable a variety of Gallery features and to control access to your photos.
Select the options you want ...