Produce one big image from a folder of images

gistfile1.sh

# requires ImageMagick.  very simple to install

# quick and simple image montaging
collage() {
	# convert all images to png
	# squash them into one grid-based .png
	# cleanup
	convert ./* MON%02d.png && montage ./MON*.png -geometry +0+0 __montage.png && rm ./MON*
}