Yes, just quote the source in the edit note, and a why you think it is correct. The 2007 tour is an example of why you have to be careful as to what you match up as there is clearly different sources of the covers
The Gabriel images mainly came from Discogs and Peter’s own site. Trustable sources.
Ebay can be a good source at times when people are selling the product. Amazon is a bit risky as it is a shop and doesn’t really care about accuracy.
Real Scans are always the king though. MB artwork is about identification.