Boy or Girl ??? Scan on Tesday

So my scan is Tuesday I cant see a nub what are your guesses??
If anyone sees a nub could they point it out lol

http://i1195.photobucket.com/albums/...ps583e9833.jpg

I don't see any clues. Good luck at your scan!

I can't see any clues either, sorry x

if you had to make a guess?? what about skull theory??