Red means they are not being shared. If you want to share them highlight them all, rightclick and press share this file. Or you can highlight the saved/shared folder and choose to share them. More on the subject here:

http://www.gnutellaforums.com/showpo...28&postcount=2

note: Do not do this to your incomplete folder. If you want to share partial files you do that by going to Tools-->Options-->Uploads and check "Allow Partial Sharing"