Have you seen the QFI Infographics lately? These beautiful PDFs are free to download for teaching or for your own information. Here are some of my favorites:

Arabic Calligraphy

Arabic Dialect map

Arabic Calligraphy

Arabic Dialect Map

Arabic Influence on the Spanish Language

The Spectrum of Love in Classical Arabic

The Spectrum of Love in Classical Arabic

History of the Arabic Alphabet

Other Titles: Currency Themes of the Arab World, Animals Native to the Arab World, The Traditional Arab Ensemble, Arabic Letters & Sounds, History of the Arabic Alphabet, The Arabic Language Root System, Flags of the Arab World, How Would You Like Your Tea?, Non-Verbal Communication in the Arab World,