Those interceptor winglets in both those pics look scratchbuild, but the easier way is to buy some from Mel's miniatures shapeways store and just glue them on and paint them, pretty straight forward, your other option is mucking about with plasticard/sheet styrene but that requires a bit more time and effort
Pointed me in the exact Direction i needed
http://www.shapeways.com/product/75R4VPCW9/8-royal-tie-interceptor-wings?optionId=56088868
Thanks!
Never really looked closely before, but now I'm suspicious that Mel Miniatures is actually an arm of Miniature Market...


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