Hi there, @Brad2 and welcome to the Community 
Thank you so much for your suggestions!
The idea of displaying the thumbnails sounds great, and we’ll try to think it over in the future.
The size of the event name can be adjusted in the Events section on the Style tab:
I also like your idea to display the popup on hover. I’ve created a separate request for this - Display details popup on hover in Month layout
As for the visually appealing solution for multiple events in one day, could you please share how you envision this improvement?