I don't think the camo pattern Serenity posted is right. I'm not as well versed in the Ju88s as I am in some other planes, but it just looks "wrong"... [Edit: The more I look at it, the more I think it's not wrong, seems to be right but a lot of different sources flip/mirror/invert the scheme, so I don't know which one is right]
I did some searching just now, came up with another alternate pattern:

And another (lower quality) one here:

Another idea here (model build)
http://www.aircraftresourcecenter.com/Fea1/401-500/Fea415_Ju-88_Youngerman/00.shtmAlso, the profile is an artist's interpretation. They are not always 100%. The artist could have taken what he thought was a good template with camo on it already, and worked on the details on top of that.