Then, run the following:
# Download the SlideBlast code...
git clone git://github.com/rklophaus/SlideBlast.git
# Download the Riak...
cd SlideBlast/deps
hg clone http://bitbucket.org/basho/riak/
# Roll back to the compatible version ...
hg update -r riak-0.6
# Compile and start...
cd ..
make
./start.sh
Browse to http://localhost:8000
Enjoy!