1. First of all, install PhilZ Touch CWM for S3 http://forum.xda-developers.com/showthread.php?t=2002953
2. Boot into PhilZ Touch CWM then.
3. Go to Backup and Restore.
4. Select Custom Backup and Restore.
5. Then click on Custom Backup Job.
Mirror 2: PhoeniX Z2_23.4.A.1.232_ v1.0 AROMA.zip - 1.05 GB
PhoeniX Z2_23.4.A.1.236_ v2.0 AROMA.zip - 1.30 GB
So nightlies did not build again for today. (I know....sadface). The dev who has the fix for the new CM Theme Engine conflicts had his computer break today before he was able to upload the fix to gerrit. He has really good luck like that. Anyway...