I work for a nonprofit. We take a lot of photos of big-hearted people holding gigantic prop checks, but it's such a cliche now. I'm brainstorming alternatives 'though I suspect my boss will laugh and reject them all.
How about corporate executive donors handing over bulging burlap sacks with $$ written on them?
Or a sign made to look like a Venmo transaction, with cute emojis to represent the specific cause? Like a school building, an A+, and a dollar bill for merit scholarships?