And #2 is ...

#2 – 78 votes Sans domicile fixe in Paris. Taken by Wikimedian Eric Pouhier.

Commons Picture of the Year 2006

this is the wikimedia commons Pic of the year 2006 contest winner :

#1 – 83 votes The Aurora Borealis, or Northern Lights, shines above Bear Lake, Eielson Air Force Base, Alaska. Edited version of a photo taken by Senior Airman Joshua Strang.

For #10 – 45 votesLunar libration by Wikimedian Tomruen : that pic was shown in these pages in February.