"Steampunk Raygun" - by Mr. James Wagner
The Wagner Steampunk Workshop is the name of the endeavor of a Mr. James Wagner, a gentleman who specaializes in re-working items into Steampunk accoutriments. He has produced a number of video narratives of his modificaiton of items (mostly replicas of weapons) to reflect a "steampunk-esque" appearance, though the use of paints and physical modifications.
"The Steampunk Maverick Mod", by Mr. Wagner
The quality of his videos have improved over time (as one can see on his YouTube feed), and it will be intersting to see more of his work in the future!