They include pictures to show that the clerk is "co-judging" the case.
From the brief:
"As these photographs reflect, the Principal Law Clerk is given unprecedented and inappropriate latitude. Indeed, before the Court rules on most issues, the Court either pauses to consult with her on the bench or receives from her contemporaneous written notes."
As evidence that everyone, even people who don't like Trump, thinks it is biased, they quote the National Review.😂