Replace Duolingo cartoons with anime girls

Replace the cartoons in Duolingo exercises with anime girls. Developed with all languages in mind, but tested in German.

If the extension is not working/their cartoon images are loading as well, please refresh the page you are on before reporting a bug.

If you would like to submit a picture to be added, email WenLiProgramming [at] gmail.com ensure the image is/has
-Transparent background (PNG)
-Safe for work
-Acceptable resolution and quality
-Copyright-free

All images referenced by links and the Chrome icon are obtained from copyright-free sources, for the most part using the "creative commons" filter on google, and others from community wikis.