Sounds like you are trying the "Caunter scheme" a sort of 'dazzle pattern'
Google " caunter scheme " & you will get a LOT of linksand OPINIONS & mixes....
There are MANY opinions & recepies take your pick.
Mike Starmer does a definative set of books: http://matadormodels.co.uk/tank_museum/xcamo_starmer.htm
Xtracolour do a set of paints: review here: http://misc.kitreview.com/tools/xtracolourcauntergp_1.htm
MilMod host a a couple of builds for your delictation here:
How to here: http://www.militarymodelling.com/forums/postings.asp?th=46040
http://www.militarymodelling.com/forums/postings.asp?th=37292
http://www.militarymodelling.com/news/article.asp?a=7093
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