SKK #1: What some Cast-on stitches LOOK like
Sample Cast-On was 16 stitches.
Stretchy types: Long Tail (orange) and Norwegian (or German Twisted) (another long tail version) in green
Stable Edge types: Cable and Knit both in green
Ribbing: Tubular (orange) and 1x1 ribbing
If you want to find out how to knit these stitches there are a variety of excellent YOUTUBE videos.
Want more side by side comparions here? Just ask!