Thank you both, I think I know what to do now.
You are right Kevin, I do mean a custom set of icons.
I was happy with the vector image part of the operation, but it was the "rcc.exe" bit I was not certain about. I assume that if I install the QT-Unified package I have downloaded it will have that executable?
I grew-up in the days of DOS so command line working holds no fears...
