Lighting effects on Instagram

I'm teaching intro graphics as an Adjunct at Westminster College this semester and am gathering photos of lighting effects to show in class.  I am also going to start some marketing for our photo apps on their own Instagram feeds, so I thought I would use the graphics project to get some Instagram experience so I am using my personal Instagram account for that.    If you post photos of good tutorial value could you please tag them with the effect (e.g., "#colorbleeding") and tag me so I see it and I will repost?  Thanks in advance.  Here is an example of the type of image I am gathering: