Toby,
I have had success in the past with Eduard Albatri by mounting the cabanes to the fuselage and making sure they lined up properly, then attaching the Interplane struts to the upper wing allowing them to fall vertically while drying. I then turn the model upside down and attch the cabanes to the wing and pop the interplanes into the lower wing holes. I am sure you will work out your issues. Lovely work to date!
RAGIII