IMG_7945 by Joel Spencer, on Flickr
IMG_7934 by Joel Spencer, on Flickr
IMG_7937 by Joel Spencer, on Flickr
IMG_7983 by Joel Spencer, on Flickr
Glastonbury Tor by Jason Askme, on FlickrI was in London with no carHow long did it take you to see 20?
Perseid Meteor Shower 30 seconds will surely leave trails. with a 2.8 lens you should be able to get quicker exposures than that, bump the iso up to an acceptable level and good to go.