Excellent first results! Way better than my first attempts. I've been quilling for a while, although I haven't made any new projects in a while.
I have a few tips:
1. I use a slotted tool, some people use a needle tool. Either one of these are only about $3 or $4.
2. I buy pre-cut paper. For large projects it saves time and frustration. Also, it provides much more even edges.
3. practice, practice, practice. It takes a steady hand, so it takes some practice.
I have no affiliation with this website, but I use them almost exclusively. quilledcreations.co m I have been very happy with their products and service for several years now. Also, there are a lot of helpful tips on there.
Good luck keep it up!