What is the recommended size for visuals in your community?

• Community wallpaper: 1920 x 1080 (16/9 ratio)
  
  
• Community logo: 200 x 200 (square or larger ratio)
  
  
• Image of categories / subcategories and buttons: 600 x 400 (3/2 ratio), it will be cropped on the sides in some cases
  
  
• Background images of the modules: 500 x 400 (5/4 ratio)
  
  What is the recommended size of files in a publication?