• Two different photo sources - file system and Google Photos.
• Drag and drop 1 - select a hard drive folder and then drag photos quickly into frames in the collage.
• Drag and drop 2 - quickly rearrange photos with drag and drop.
• Layout versions - you can play with different layouts before deciding on the final one.
• Layout styles - large library of layouts.
• Custom layout styles - you can quickly create your own layout style.
• Frame styles - large library of frame styles.
• Custom frame styles - you can easily create your own frame style.
• Random photo assignments - quickly assign a frame to each photo in the selected photo source.
• Pattern backgrounds - choose from a vast library of patterns.
• Gradient backgrounds - choose from a vast library of predefined gradients.
• Animated collages - create an animated photo collage with a click or two - choose from various transition effects.

Screenshots

Go here for some sample screenshots.

Animated collages