For a neat variation on this stitch, try using a larger bead (for instance, a 3mm or a size 8.0 seed) in place of the first bead on each 3-bead set you pick up.  
See how it makes a spiral pattern?  To see more beautiful examples of this variation, click here.
Marilyn Peters was nice enough to let me post  her tutorial for 3 bead tubular netting here.  If you have any questions, and would like to contact her, click here.  If you would like to see some examples of Mar's wonderful tubular netting, click here.
Thanks Mar!
For examples of the Russian spiral variation using size 15.0 and size 11.0 beads, click here