I don't seem to be able to update pkgsrc right now...
I need to rebuild nginx with flv support for a streaming project at 
work. I would appreciate any help.

master# make pkgsrc-create
If problems occur you may have to rm -rf pkgsrc and try again.

mkdir -p /usr/pkgsrc
cd /usr/pkgsrc && git init
Initialized empty Git repository in /usr/pkgsrc/.git/
cd /usr/pkgsrc &&  git remote add origin 
git://git.dragonflybsd.org/pkgsrc.git
cd /usr/pkgsrc && git fetch origin
remote: Counting objects: 1516485, done.
remote: Compressing objects: 100% (434190/434190), done.
remote: Total 1516485 (delta 1063147), reused 1511041 (delta 1058794)
Receiving objects: 100% (1516485/1516485), 453.50 MiB | 614 KiB/s, done.
Resolving deltas: 100% (1063147/1063147), done.
 From git://git.dragonflybsd.org/pkgsrc
  * [new branch]      master     -> origin/master
  * [new branch]      pkgsrc-2010Q1 -> origin/pkgsrc-2010Q1
  * [new branch]      pkgsrc-2010Q2 -> origin/pkgsrc-2010Q2
cd /usr/pkgsrc && git branch vendor origin/vendor
fatal: Not a valid object name: 'origin/vendor'.
*** Error code 128

Stop in /usr.