How to change brave background images to a theme i download from the web store?

hi, I am quite new to brave and i was wondering, how can change my background image? i downloaded a theme from the web store but it did not show on my homepage. i only saw the sponsored image and it still us not showing the theme i downloaded after i turned the sponsored images off.
can someone please help me with this issue?
Thanks in advance!!!

@Ali_Akbar77,
At this time, the Brave new tab page will override most home page themes. However, we do plan to fix this issue in future updates. You can track NTP issues on our projects page here: