Just received ours through today and am already having naughty thoughts about wether to make it as difficult for any future family historians looking for me and mine as my ancestors did for me OR doing the decent thing and filling it in to the best of my knowledge.
Re passports
[ should be professionally printed (photographs printed at home are not acceptable]I recently renewed our passports- my photo was taken in a photo booth but my husband, horrified by the price charged, asked me to find a 'home' one--this i did but it was a fraction smaller than officially required. I found a website that could alter the photo to the size required and both were accepted .
Out of interest--i did the postoffice 'check and send' service and when the chap behind the counter checked through mine he kept looking at me and then at the old passport photo and the new photo with a rather enquiring look [Apparently the photos are both meant to be recognizable as the same person ]and i had to explain that "Yes they are both of me but now i have acquired a lot of extra wrinkles in the last 10years!!! :

poli