Missing bag file for tutorial?

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It seems that the bag files are missing for the tutorials. I don't see them on the git repo, and I get the following error when I try to run the tutorial:

core service [/rosout] found
process[play-1]: started with pid [9403]
[FATAL] [1396998819.147977930]: Error opening file: /opt/ros/hydro/stacks/vision_visp/visp_auto_tracker/bag/tutorial-qrcode.bag
ERROR: cannot launch node of type [visp_auto_tracker/visp_auto_tracker]: can't locate node [visp_auto_tracker] in package [visp_auto_tracker]
[play-1] process has died [pid 9403, exit code 1, cmd /opt/ros/hydro/lib/rosbag/play --clock -l /opt/ros/hydro/stacks/vision_visp/visp_auto_tracker/bag/tutorial-qrcode.bag __name:=play __log:=/home/visual-servoing/.ros/log/424b1c26-beaf-11e3-8b8f-f80f41135e65/play-1.log].
log file: /home/visual-servoing/.ros/log/424b1c26-beaf-11e3-8b8f-f80f41135e65/play-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done

Thanks