Here's couple of video clips and a link to a site, which explain and show clear pictures of the supposed evidence of ancient ufos and aliens in paintings.
 
UFO's in Art Debunked
 

 
UFO's in Art Debunked 2 (Egyptian art)
 

 
 
Here's the link to the source site of the info
http://sprezzatura.it/Arte/Arte_UFO_eng.htm
 
 
Here's a link to a site that challeges to accuracy of Sitchin's translations and evidence of Nibiru and the (alien) Anunaki.
"..his speculations are entirely discounted by professional scientists, historians, and archaeologists, who note many problems with his translations of ancient texts and with his understanding of physics." - Wikipedia
http://www.sitchiniswrong.com/
 
 
So, what are the lights in our skies? ...could the flyingsaucer be a human built machine?
 
http://lightworkers.org/forum/50259/nikola-tesla-the-man-who-invented-flyingsaucer
 
http://lightworkers.org/video/72938/flying-saucers-invention-nikola-tesla
 
 
Peace.
___________________________
9/11 truth NOW!
www.ae911truth.org
www.infowars.com