Attendants clothes and gifts

I only have 1 girl, hes got my moh's husband and fh brother (not thrilled about that but moh o don't get along so its whatever) idk who's supposed to pay for their clothes and accessories and all that and what do I gift her??!! Shes not into personalized stuff (I dont like it either) and they have all they could want themselves. If I pay for their clothes would that be considered their gift? Or could that be considered their gifts? Do we have to gift them anything if they dont have to pay for anything? I am super clueless about that part. And what do you gift the parents? We aren't those people who have pictures hung all over the place (not even of the kids! They're all saved to the cloud and we look at them whenever I know. Bad. But. I just dont really see the need to put something in a box or on a shelf to collect dust. We hang up those I love you notes and pictures they've drawn instead) so it would be weird if we got pictures and frames. Nobody plays cards (we thought about decks of cards with the date and favorite memories on them), nobody really wears jewelry, nobody really drinks so flasks are out, we want it to be something that's going to be well loved and not just thrown on a shelf or into a closet and forgotten about. But we also dont want it to be cheesy either. That is yall