Create photo collages easily, in any shape or form, with Shape Collage
Shape Collage is a free (for personal use) program that will let you create easily collages of pictures in various shapes.
Features: Create picture collages in less than a minute with just a few mouse clicks * Photos are automatically and intelligently placed using a very fast patent pending method * Use photos on your computer or from the web to make collages;
Make collages in any imaginable shape or form — Rectangle, heart, circle, letters, or even draw your own shape! * Adjust the collage size, size of the photos, number of photos, and spacing between photos * Change the background, the colour of the border, and more * Save as JPEG, PNG
The free version will place a watermark on the collage, and it won’t let you export the collage in psd format for editing in photoshop.