Wing tips look pretty good! I would make them a bit smaller but that's just me.
Yes, that was my thoughts too after looking at the model for a bit.
So Winglet Mod. Version 2...
IMG_0897 by
, on Flickr
IMG_0898 by
, on Flickr
Bit difficult to tell but I reckon I've made them about 50% smaller.
IMG_0900 by
, on Flickr
Much happier now. All I've got to do is turn a cardboard mock up into plastic

Not much happening now, as I'm off working for the week.
possible gluing of the larger bits next weekend.
Regards
Keith