Metadata names

Hi folks,

i have a problem with naming the files.
i have some movies in 2 parts. How do i name them to have the correct result.

at the moment i have a folder and inside 2 files. The Cover of the Folder is a white folder and inside the 2 parts have the right cover. (after i corrected the meta data)

What is the right name?

[Moviename] CD1.avi or [Moviename]CD1 or [Moviename] part1 or [Moviename]1

any idea?

thx for help