Alongside being a good platform to upload and share your photos
online, Flickr is also a good point of reference if you want to see
photos taken with a particular digital camera. The Flickr "camera finder"
tool groups photos taken by a particular camera and allows you to
browse through them.
Looking at Panasonic cameras, we can see that the most used Lumix
camera within the Flickr community is the Lumix LX3 (sample
followed by the Lumix GF1 (sample
You an see the list full here: http://www.flickr.com/cameras/panasonic/