In this picture the Jinn appear to be throwing pie at Ali. What are these things and why are they throwing them?
This image is used on the Wikipedia page Jinn. The description given is:
Imam Ali Conquers Jinn Unknown artist Ahsan-ol-Kobar 1568 Golestan Palace From www.ir-tmca.com/exhibition/negargari/work6.htm
but this link gives a 404 Not Found error.