I just finished pruning my new Carmona bonsai that I got for my birthday yesterday and I figured I would put it on here
Before:



and After:


A lower shot:


I was wondering what to do with the branch that sticks up above the highest foliage, as I can't find any branches to bring up to it to make a point, and I was wondering whether a jin would be possible as they are generally made on conifers, and rot off of deciduous trees.

Thanks in advance,
Ed

I was also wondering whether it would be OK to re-pot it in the cold British summer, or if not, when I should re-pot it, as the pot looks very over-crowded, and I think the tree needs it.

Yes the pot looks over crowded and you have to re-pot it because as the tree grows it will need some space. It will be good to re-pot early spring. It is sensitive to drought as well as excess wetness.

In fact, if this would be a bonsai, the pot is way too large. Depth of pot = trunk base diameter, as a rule of thumb.

However, I would treat this as a common houseplant, as it will not really become a bonsai, unless you really know what you are doing & take drastic measures. So, just let it grow, give it a trim every now and then. Maybe reduce the roots a little in spring, if it really needs it.