creates some really pretty gifs. see https://www.reddit.com/r/SandersForPresident/comments/4rds7n/stoptppnow_10_reasons_grassroots_effort_to_help/d508gqz

convert_gifs.sh

for i in $(echo -n 10 9 8 7 6 5 4 3 2 1); do convert -delay 6 -loop 0 \
tpp_gif_intro_es.jpg tpp_gif_blank.jpg tpp_gif_${i}.jpg tpp_gif_blank.jpg tpp_gif_${i}text_es.jpg tpp_gif_blank.jpg tpp_gif_outro_es.jpg tpp_gif_intro_es.jpg -morph 2 \
\( -clone 0 -set delay 390 \) -swap 0,-1 +delete \
\( -clone 6 -set delay 240 \) -swap 6,-1 +delete \
\( -clone 12 -set delay 640 \) -swap 12,-1 +delete \
\( -clone 18 -set delay 640 \) -swap 18,-1 +delete \
+delete practice_animated_${i}_es.gif; done