You know how events add some extra things for the event like backgrounds and borders that cost a lot more in diamonds than the usual stuff? I never use these unless they come up random because the price of 20 D is too high for a film element IMO.
But here's the thing...
If buying it once added it permanently to select for notes or even just in following year's events, I would probably collect some of them. Reason being, the elements are there but right now, I am still in the process of collecting the clothing patterns. By the time I get enough for a full outfit, the event is over or close and event-themed film covers have been done to death. I want to look at anything else, (heck, show me a gorilla's butt. It's better than looking at another holiday cover 
) forget doing one myself. But, when next year rolls around, I would have plenty of items to costume myself and if I could also collect the film studio elements, I would have those available also as the event started.
Maybe also add these as a buy-able item in the store.
In short, the suggestion is to make the 20 diamond price a one time only cost
