Ajahn @Brahmali has written two very nice essays on the two key aspects of dependent origination:
Dependent Origination by Bhikkhu Brahmali: do.pdf (181.4 KB)
Dependent Liberation by Bhikkhu Brahmali:dl.pdf (171.8 KB)
Here is a recent dhamma talk given by him on the topic:
Another key resource on the same subject is the exposition of the Upanisa Sutta (SN12.23) by Bhikku Boddhi:
Transcendental Dependent Arising by Bhikkhu Bodhi: upanisa_sutta.pdf (503.3 KB)
Hope you like it!