Hello,
1) Don’t see the problem with the image http://prntscr.com/kgmvh7 if it is uploaded in backend http://prntscr.com/kgmv1t
2) The problem caused by Stripe plugin js error http://prntscr.com/kgmoun Set the correct plugin settings till this happened keep plugin disabled.
3) Can you, please, provide temporary FTP access to fix this issue?
4) Fixed
5) You used incorrect shortcode, you can find correct one in the Wishlist settings http://prntscr.com/kgn32j
6) Seems problem is related to your FireBase settings. Check this topic https://stackoverflow.com/questions/37403747/firebase-permission-denied
If it does not help post question on the comments area of the Screets Live Chat plugin.
Regards