Being a brand new user of Brave I am not certain how wide spread this is.
Page where I encountered the issue.
Screen Shot -
Clicked the link in my email and it opened the tab in Brave.
Tried clicking view in browser - No change
Clicked open image in new tab - image was viewable in the first two I tried.
Looked therough the preferences for display images -
Closest I could find was “full screen content” changed from ask to always allow yielded no results.