Just to make Alchitry users aware, I have published a number of basic tutorials on the Alchitry AU as Hackster projects. Most are aimed at beginners, as I am basically one myself, but some of you may be interested:
A Beginner’s Guide to FPGAs - Part 2
A Beginner’s Guide to FPGAs - Part 3
A Beginner’s Guide to FPGAs - Part 4
A Beginner’s Guide to FPGAs - Part 5