Open source GIF creation for molecules

I've recently discovered Avogadro (avogadro.cc), which sells itself as

... an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible high quality rendering and a powerful plugin architecture.

Combining its DNA builder, with "Screen to Gif" (www.screentogif.com) I have been able to create this very quickly.



Which is a very pleasing animation and obviously useful for visualising molecules in lessons.