Logos Require an image with transparent background. We will be doing a separate tutorial on how to create your own Logo.
Note we are deliberately not providing files here, or links...this is for YOUR security.
Go to the Official Sandbox Website
Scroll right to the bottom footer and find "Press"
Scroll down To "LOGO"
There are multiple Logos in Multiple Colours and types (.PNG and .SVG). Right click, save link as...
Light Tracer
Settings, Watermark, Custom, Load Image
Select the above downloaded file.
Reposition to corner as per the 4 options. Also you can manually edit the x and y co-ords.
Scale will change the size.
GIMP
open the above downloaded Logo..
Copy
Open your image
Paste
Re-position / Re-Size as required.