Not sure if this is bug per se, but the .mod files for this and Bigger Interface both actually show up as .mod.mod for me. They're the only mods I have that do this.

Also, relating to the bug you mentioned in the description, for whatever reason it didn't need changing for me; I opened the .mod file and found dependencies={"Bigger Interface"}, and it worked fine in-game.

I have no idea if you managed to fix it, Steam fixed itself, or I just got lucky, but I'm on Linux and if anyone else needs to change that file you can find it at ~/.paradoxinteractive/Crusader Kings II/mod.

Since you don't link to a bug forum in the Bigger Interface for HIP mod I post the issues here. There are some visual gliches. I use the latest version of the game (2.7.1), latest HIP (Cacao2) and the your mod with the pictures addon.
The WoL Icon looks not right, the title symbols in the Claims section has a floating gree frame and the personal and lieges council view of the stances has some floating frames.
EDIT: And the province view is totally f**k up

@kmh42. One question are you using ARKO interface?