How to make the stat tracker customize?

[ArchlordAsmodeus]

You could and can still create custom streaming overlays. At this time you can not create custom in game overlays.

How to change streaming overlay images:
Overlay ＞ Streaming Overlay > Right-click > Overlay Image > Change Image
http://imgur.com/a/FLdWo

[Silencer]

How to change streaming overlay images:
Overlay ＞ Streaming Overlay > Right-click > Overlay Image > Change Image
http://imgur.com/a/FLdWo

Thanks for replying!

You can also go under Help->Streaming Help for more information as well.