I'll get used to the new format. It doesn't seem so bad.
Having to click over a new page every 20 post is a bit annoying but could be worse and I can sort of get it in the guise of catering for mobile devices.
Just posted this from clicking More Options... when replying. I get basically a big grey area with a red line in the middle and some buttons (this is from desktop). I then realised that the text entry box essentially is the same colour as the background with no border except for the red line at the bottom. I worked this out by moving my mouse around and seeing where the pointer changed to an I-beam. A bit of a UI design fail (maybe one of the software, not AFF). Maybe I should go back to the rich text editor (I'm using the text based one like I used to with the old software - one of the first things I changed in settings).
I think I've worked out how to go to the first unread post straight from my list of Watched Threads, but the only problem is that the forum thinks I haven't read anything from one month ago, which isn't true. I suppose it should "fix" itself in time after I've opened up all my watched (old: subscribed) threads.
As for pictures, I opened up an old TR of mine and it seems fine. My pictures that I post are hotlinked to an online gallery and said images are sized correctly, so I don't know if that helped.