Hey Jackie first of all bravo for being brave enough to post such a large image of your first nails as a large picture only makes any faults look larger :lol:.
My first thoughts are ... pretty good smiles there for a first set so well done on those!
My second thought is that the biggest thing spoiling these at the moment is the fact that there is just too much product in zone 2 (the stress area) and when that happens, it distorts the shape of the nails and also makes integrating your zone 3 bead that much harder for you.
Zone two needs a bit more product for strength, but not 'loads' more product. You can see, that when you add too much product, the difference between Z1 and Z3 is too pronounced; the angles too harsh.
These nails could look much more attractive just with some extra filing in the Z2 area to reduce the amount and therefore the angles to a more natural curvature. Let your 'eye' tell you what to do and you will be so much more pleased.
Finally, sort those side walls out so that they are straight and I always use a professional thin wooden file for this which will be kinder to the skin in the immediate area (remember to gently pinch the side walls as you are filing to keep the skin away from where you are filing).
You will be really pleased with the result and so will your model!