MyBB Community Forums

1. Related to server performance, end user internet speed

2.There is a guide on this forum on using your choice of font awesome icons to replace board icons.

3. Related to theme. Theme author might be able to help

4. No idea

Teamviewer would help a lot.

Tried to change the default profile picture but it doesn't seem to change

I do not use Team Viewer. Hope someone with it would be willing to volunteer.

Your theme is based on javascript thats by your color is refresh when your full page loads, you can contact your theme author to assist you better.