1. Course thumbnail -> 200px X 187px
  2. Standalone content thumbnail -> 200px X 187px
  3. Channel image -> 695px X 260px
  4. Events cover -> 1033px X 330px
  5. Community post image -> 695px X 260px
  6. Community logo -> 90px X 90px
  7. Community favicon -> 32px X 32px
  8. Profile photo -> 180px X 180px
  9. Post image -> 690px X 400px