Thumbnail captions link to larger images, mostly (1920,1080)

Feel free to use these images in your presentations, where appropriate give attribution by mentioning Opticks.

How to add image links with thumbnails

presentation-
presentation-e     # add meta:thumb annotation string to s5_background_image.txt of images to thumbnail

cd ~/env/presentation

./titles.sh        # creates /tmp/thumb_urls.txt (and several other .txt with urls in them)

./thumbnails.sh    # create any new thumbs

 cd ~/env/simoncblyth.bitbucket.io/images

 vi index.txt    # add figures with thumbs and links to originals
 make            # update the index


 cd ~/simoncblyth.bitbucket.io

 git s
 git commit / git push etc..
 open https://simoncblyth.bitbucket.io/images/index.html


 cd ~/env/presentation
 ./thumbnails.sh