3DGallery is a program designed by iFunia Studio to help you easily create and publish Flash photo slideshows directly from your Mac. The application works with various image formats, lets you choose between numerous project templates, and allows you to export your galleries as screensavers, SWF or HTML files.
The app's screen is divided into 3 sections: Add Photo, Template, and Publish. Plus, the output settings are very simple to configure. Hence, you can easily get the slideshows you need, even if you're not an experienced computer user.
The 'Add Photo' window allows you to import the pictures you wish to include in your gallery project, preview them, and sort the images according to your needs. The application then lets you include a background music and choose an output profile from the Template screen.
Personally I'd like to have access to more output profiles and several editing options for the images (edit all photos to follow a certain format - rotate, add effects, etc.). Unfortunately, this program lacks the aforementioned features.
All in all, I've worked with many apps that offered a lot more features than 3DGallery. Nonetheless, if you're happy with the amount of output options and the quality of the created galleries, I think this program is worth a try.