This one is a ton of fun, I'm going to be spending some time on it. I'm glad you back-to-front'ed the words, I didn't want to spoil them when I read source!
I wrote a similar proof of concept program a while back to do similar things with the goal of a "typewriter" effect, so this entry felt very familiar to me. Nice work!
I did indeed look at the listing, and I'm happy to find an entry where I could begin to understand the source! Nice job, makes me want to participate in a comp like this in the future!