Lensing clusters of galaxies in the SDSS-III
  We identify new strong lensing clusters of galaxies from the Sloan Digital
Sky Survey III (SDSS DR8) by visually inspecting color images of a large sample
of clusters of galaxies. We find 68 new clusters showing giant arcs in addition
to 30 known lensing systems. Among 68 cases, 13 clusters are "almost certain"
lensing systems with tangential giant arcs, 22 clusters are "probable" and 31
clusters are "possible" lensing systems. We also find two exotic systems with
blue rings. The giant arcs have angular separations of 2.0"-25.7" from the
bright central galaxies. We note that the rich clusters are more likely to be
lensing systems, and the separations between arcs and the central galaxies
increase with cluster richness.
