I like what you've got going on with formatting, but I feel people forget how to insert clickable URLs on the forum way too much, even some members that are pretty old here. A long bitcointalk link adds unnecessary clutter when a simple use of URLs (the globe with the page next to it) fixes everything and keeps things short and concise.
Code is also important to use for things like miner specifications or other information that's long (especially information that is copy-pasted that isn't outright spam). It's a bit difficult for me to say exactly when to use it right now, but it definitely tidies up posts a lot and it improves thread loading speed for us all, and removes the need for us to scroll down a lot just to see one post.
Some images may also not go through the Bitcointalk proxy, especially those hosted on Imgur. I find
imgBB is an excellent workaround to this. IIRC new members can't upload images unless they purchase a Copper membership, but it's definitely something you need to know to be successful at posting here. Images can be inserted by clicking next to the URL globe-and-paper symbol.
I think it's great someone finally took the time to show newbies how to use the forums correctly. My only hope is new members actually go to your page and learn the ways of posting; most people will probably not take the time to do so.