Nice thread OP, this kind of post what I like the most very informational and well explained. I gave you my only merits because of such very helpful thread I read for this day! Thanks for the effort exerted to make this thread for us the newcomers.
Thanks for the merit and hope this information will help you to post in an effective manner and we could see other members also making use of this and it's good to see that newbies like you don't ignore these types of post but take a detailed look at them and reply here unlike other who just ignore it and will repeat the same mistake.Great and very useful overview. 
Maybe you can add my guide for creating tables in your "tables" section.
I've listed various options how to improve table quality in my topic: Some suggestions if you want to use tables on Bitcointalk
Yes I will surely add the link for your thread to the above tables coloum so that members learn as much as they can from different sources and make combined use of all and you have given nice explanation for same.It is informative thread and every informative post is welcomed.Maybe you can add my guide for creating tables in your "tables" section.
I've listed various options how to improve table quality in my topic: Some suggestions if you want to use tables on Bitcointalk
Regarding that image posting part, you can omit the 'url' tags, it will work fine.
Yes it will work fine although but you can simply copy the BBcode and paste it and by clicking the image you can go to the image uploading site and have a look at there.But yes you can add image without url tags directly also.But it's easy for newbies to simply paste the link.