I'm far from a professional but I see 2 things as from the looks of the (after) pics you have swirls, scratches and holograms.
1- Does not look as if the polished (compound) fully flashed.
2- Your pad(s) definitely had a foreign agent(s) in it.
You also need to prime with DS spray quite frequently (certainly more then a "couple of times"), you want a smooth pad rotation, it also helps with dusting. Also as mentioned above you need to clean the pad often with something like this:
Here are some pics from mine last week using a PCXP:
