Hi - first post, please be kind!

I have this growing in my garden + I'm not sure what it is; I thought it was a variety of snowdrop at first but now I'm not sure. It's just started to bloom and I have several 'singles' and 1 large clump; the leaves smell of onion when crushed.

Some pics:
a href="http://s258.photobucket.com/albums/hh246/allabouteve12/?action=view&current=snowdrops4.jpg" target="_blank"img src="http://i258.photobucket.com/albums/hh246/allabouteve12/snowdrops4.jpg" border="0" alt="Photobucket"/a


a href="http://s258.photobucket.com/albums/hh246/allabouteve12/?action=view&current=snowdrops014.jpg" target="_blank"img src="http://i258.photobucket.com/albums/hh246/allabouteve12/snowdrops014.jpg" border="0" alt="Photobucket"/a

a href="http://s258.photobucket.com/albums/hh246/allabouteve12/?action=view&current=snowdrops009-1.jpg" target="_blank"img src="http://i258.photobucket.com/albums/hh246/allabouteve12/snowdrops009-1.jpg" border="0" alt="Photobucket"/a

Thanks for any help I can get!