Nice!
I'd love to have a DSLR to be able to mess around. It's amazing what you can do with the light and a long exposure :) I like the one where you wrote Golf haha.
Here's one my friend SLEEDS did of mine..
And one from the uk-mkivs Mega meet a buddy of mine took
(It was literally pitch black middle of the night in a field in the middle of nowhere, used a light in a tube!)