Well, not to be boring, but there's something I think pretty much all modern sets have been needing for awhile: temple exteriors that DON'T look like a regular castle or building, but are bigger than an NES or GB "dungeon entrance." I made some for Gale Fortress, but I only made one type, and it
only looks good in grey.
So okay, I'll be specific:
What I'd like: I request temple exterior walls that function like DoR or LTTP castle walls, but look ancient and worn like OoT temples. Probably three tiles high including the ramparts, two tiles with just the wall face.
Details: The wall texture should look appropriate for most dungeon interiors. Dark shading would be best. Walls that can be stacked on top of themselves are also a plus. I'd request that they be constructed like the exterior of a Mayan temple, so they can be stacked tall with a staircase going up the middle. Or, you could make them go straight up, so they could be used for tower-type structures as well. Also, the top of the walls don't have to be walkable, but if they are, please don't make them look like they're carpeted.
How I'd Use It: I'm hoping for something I can use for as many temple entrances as possible; maybe three or four at most. It'd be great to have something generic and temple-ish enough that I can just change the palette and complement it with natural paraphernalia from various regions.
Now, I also like Rem's idea for a new big Link, although it's not my request.