I’m not affiliated with the below – the below are here as I find them good places for info/supplies.
For handy tutorials this blog is excellent, very professional and amazing designs –
Mrsmooretob video swatches
Swatches on video – warning on this one, I wasn’t that keen on Holo’s before I started viewing these… now I need/must have some Holo’s, they all look amazing! – have a look at mrsmooretob other video swatches all fab work!