Please, please, please
don't listen to these people!
It is entirely possible that they have appealed successfully with all this stuff in their case, but it will have been the academic evidence that won the case, and the panel will not have thanked them for all the extra verbiage they had to wade through.
The panel's job is to decide if your child will cope and thrive academically at a Grammar School, and you have to prove that case.
How is a photo going to prove that? She may be a wonderful dancer and swimmer, but there are plenty of wonderful dancers and swimmers who struggle academically even in an Upper School!
The panel may ask about her extra-curricular interests as a "filler question", so by all means take along her most recent certificates for any of these interests to the hearing. If the question comes up, say that she is a keen participant in X, Y and Z interests and you have brought her most recent certificates along and will submit them with her schoolbooks at the end of the hearing. That will provide proof that she does these things without bogging the panel down.
We are appealing for our daughter to got 119 on both papers. Head teachers summary sheet is very supportive. She was 19th on OoS, 31 children in year group of 61 passed.
You have two consistent scores, a supportive Head's report an a strong position on the OoS. Just gather together all the academic evidence - reports, schoolbooks, etc, and stay focussed.
P.S. I am about to send you a PM.