Looker SDK: How can I get images from tiles within a dashboard, with filters applied?

Hello, world!

I have recently started using the Looker SDK at work and am hoping to get images (e.g. PNGs) for each tile in a given Dashboard, with custom filters applied as an option. In the example repo, I have taken a close look at two examples:

1. 
   Getting the whole dashboard as a PDF, which allows for filtering.


2. 
   Getting tiles from a dashboard as a PNG, which does not allow for filtering (seemingly?).

Is there a way to do some combination of the two and filter a tile before getting an image of it? Or, if not, is there a way to request this feature?

Thanks,

Sam