oops, been a while since I've been on here!
In answer the the videos, just do a search on 'ground school <subject>'
Its hit and miss and videos appear and disapear off YouTube a fair ammount these days
Just trawl through a few.
As for OAT, I've got their Q&A cd, find they go in to far too much detail. Beyond what you need for the PPL exams, still, I suppose it doesn't hurt having too much info.
And well done Aerofoil! Its always good to achieve something, at times you feel like you're getting nowhere fast....next up is the solo
and don't call me Shirley......