helpfullhints.txt

image magik;
http://www.imagemagick.org/Usage/resize/#percent
http://www.imagemagick.org/Usage/annotating/

convert to 1024 * 800 - roughly
 convert anno_caption.jpg -resize 419200@ anno_caption-resampled.jpg 

append copyright statement
width=`identify -format %w 2009-06-04205653.jpg`
convert -background '#0008' -fill white -gravity center -size ${width}x30 caption:"Copyright j constable" 2009-06-04205653.jpg +swap -gravity south -composite  anno_caption.jpg

rotate 90 to right
convert -rotate 90 advent/DSC00111.JPG advent/DSC00111.JPG

http://www.imagemagick.org/script/perl-magick.php

The simplest method is to create an animated GIF image. In the following example the argument of the -delay parameter is the time between frames expressed in 1/100th of second. The argument of -loop instead sets the number of repetitions of the sequence (zero means loop forever):

convert -delay 50 -dispose Background +page Img*.png -loop 0 animation.gif

http://personal.cscs.ch/~mvalle/postprocessing/ImageTools.htm