It's normal to have a bit of difficulty at first, but it does get a lot easier fairly quickly, provided you put the effort in.
The two main issues as you say are clutch control and awareness of the size of the car you're driving.
Clutch control comes with practice. No easy way about it unfortunately.
As for getting used to the size of the car, just make sure you're keeping an eye on what you're doing and remember that your mirrors are there for a reason.