How do I add a developed logo to my photographs
Several solutions on gimpscripts.net
Just search:
GimpScripts: Search results for watermark
Example:
Also for images opened as layers
getting better and better ExportLayer by Kamil Burda:
Welcome @Michael_Watz!
Friendly question: perhaps your raw developer has a solution as well?
Have fun!
Claes in Lund, Sweden