Hi Andrew,
the csv format is quite simple: title, description, category, videopath, "tag1,tag2"
example: Apple MacBook Pro MC700LL/A 13.3-Inch Laptop, Description about Apple MacBook Pro MC700LL/A 13.3-Inch Laptop, Science, D:\pathtovideo.wmv,"Apple,MacBook,Pro,MC700LL/A,13.3-Inch,Laptop"...