Lately, I've been adding photos to my observation and evaluation reports, to better provide the families and school staff with a clear explanation of a student's current skills and progress over time. You sure don't want to have to explain hyperextension of the DIP or what thumb wrap entails in 25 words or less.
Having the photos on hand also helps when it comes time to create handouts for parents and school personnel. Remember to edit out faces and names to ensure the privacy of your students.
Here are some recent photos taken in a class for 3-5 year olds--I'll leave the nomenclature to you...