This article is valid for WoltLab Suite 3.0 - 5.2
Presumed to know:
- use of a FTP tools
- login details to your FTP server
Most styles for WoltLab Suite use a folder for the images used within the style. This folder is a subfolder of the images folder of WoltLab Suite's root directory, e.g. woltlabsuite
Using your FTP tool you can now connect to the folder and change files or add new.