Changes
check for file:/image: prefix
local sizedefault = frame.args["sizedefault"];
local alt = frame.args["alt"];
if string.lower(string.sub(image,1,5)) == "file:" then
image = string.sub(image,6,9999);
end
if string.lower(string.sub(image,1,6)) == "image:" then
image = string.sub(image,7,9999);
end
-- add px to size if just a number