I do not know where you can find an expert to launch your fireworks but I can answer the first part. There are some major firework distributors here in myrtle beach, sc. They distribute these fireworks world wide and they normally offer a buy 1 get 2 free deal.
This could save you a lot of money purchasing fireworks elsewhere. For more information on a few providers send me a message ill give you there names and numbers.
If you are looking for the fireworks then Edinburgh is best for it because there is a many firework shops available who can provides you a best experts who can displays best firework effects on your wedding. So please visit edinburghfireworksstore.com.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.