Website update and settings help

Website: moneymondays.net
Fix one homepage image background is missing need the blue image in place of orange demo example.
2. I’m using WP Automatic for RSS
A) having issues adding twitter post to the site
B) having cant add RSS content o the right pages
Example: https://moneymondays.net/groups/stock-market-101/
I want the stock RSS to be put here instead of on the forum page
https://moneymondays.net/groups/stock-market-101/forum/
3. needs API from this site newsfilter.io
adding only selected stocks news to website blog.