I'm totally confused about all the "collision found" and "submitted share --> REJECTED" messages.

Do the messages below mean I'm not successfully mining?  Should I just go back to XPM?

---

[MASTER] submitted share -> REJECTED
[STATS] 2013-Dec-03 06:40:51 | 109.8 c/m | 4.0 sh/m | VL: 52 (82.5%), RJ: 11 (17.5%), ST: 0 (0.0%)
[WORKER] collision found: 65298305 <-> 63144468 #1762 @ 1386074483 by 3
[MASTER] submitted share -> REJECTED
[STATS] 2013-Dec-03 06:41:04 | 110.6 c/m | 4.0 sh/m | VL: 52 (81.2%), RJ: 12 (18.8%), ST: 0 (0.0%)
[WORKER] collision found: 36950812 <-> 30198943 #1770 @ 1386074509 by 5
[MASTER] submitted share -> SHARE
[STATS] 2013-Dec-03 06:41:12 | 110.8 c/m | 4.0 sh/m | VL: 53 (81.5%), RJ: 12 (18.5%), ST: 0 (0.0%)
[WORKER] collision found: 61666229 <-> 11175757 #1798 @ 1386074502 by 6
[MASTER] submitted share -> REJECTED
[STATS] 2013-Dec-03 06:41:15 | 111.6 c/m | 4.1 sh/m | VL: 53 (80.3%), RJ: 13 (19.7%), ST: 0 (0.0%)
[WORKER] collision found: 53826084 <-> 31172614 #1800 @ 1386074503 by 7
[MASTER] submitted share -> REJECTED
[STATS] 2013-Dec-03 06:41:18 | 111.3 c/m | 4.1 sh/m | VL: 53 (79.1%), RJ: 14 (20.9%), ST: 0 (0.0%)
[WORKER] collision found: 16964194 <-> 40092960 #1808 @ 1386074525 by 5
[WORKER] collision found: 43809248 <-> 41984804 #1810 @ 1386074526 by 6
[MASTER] work received - sharetarget: 07ffffffffffffffffffffffffffffffffffffffffffffffffffffffbeefde4d
[MASTER] submitted share -> REJECTED
[STATS] 2013-Dec-03 06:41:23 | 111.5 c/m | 4.2 sh/m | VL: 53 (77.9%), RJ: 15 (22.1%), ST: 0 (0.0%)
[MASTER] submitted share -> REJECTED
[STATS] 2013-Dec-03 06:41:23 | 111.5 c/m | 4.2 sh/m | VL: 53 (76.8%), RJ: 16 (23.2%), ST: 0 (0.0%)
[WORKER] collision found: 30667112 <-> 26709513 #1820 @ 1386074490 by 2
[MASTER] submitted share -> SHARE
[STATS] 2013-Dec-03 06:41:29 | 111.6 c/m | 4.3 sh/m | VL: 54 (77.1%), RJ: 16 (22.9%), ST: 0 (0.0%)

Everything is fine, wait for blocks Where do you mine?