If you work in a weld shop, asking fellow welders to "look at your welds" is not a good idea unless you`ve got a shell like a turtle {hard as nails} lol you are bound to get ribbed, ridiculed, teased, made fun of and yes even criticized.
Sound advice that .... practice practice practice and then practice on scraps.
Don`t be afraid to try ... different approach angels, wire speeds, gas flow rates
wire stick out lengths, wire distance to work gaps. keeping in mind that you have to somewhat stay within the wire diameter, gas application {type} and material thickness parameters.
Fit up and material preparation is 80% of making a good weld.
Fool around with it, see what works best for you!
One thing to keep in mind ... welding is not a race. You do not have to go fast! Take your time watch the puddle carefully it`s eye hand coordination and eyesight.
have fun!