If you have the option to change the cursor when hovering over images enabled, then this changes the cursor to a cursor that is themed by the system instead of the default browser cursor that is very ugly and out of place if you have a custom cursor theme applied.
If you have the option to change the cursor when hovering over images enabled, then this changes the cursor to a cursor that is themed by the system instead of the default browser cursor that is very ugly and out of place if you have a custom cursor theme applied.