Welcome to the forum from Tennessee. I suggest getting the book which I shared a link. I use this in my lessons.
Scroll Saw Workbook, 3rd Edition – Fox Chapel Publishing Co.
Welcome to the Village from Tennessee. The blades you mentioned are called Skip blades and you can find better prices online. I sell Pegas blades which are Swiss made. These are great blades to start. Message me if you have further questions about blades.