A couple of years back I uploaded a basic website with loads of links, some may be obsolete now but most of them are OK, have a look see:
http://quiltingaddict.110mb.com/favouritelinks.htm
I wouldn't worry about triangles etc; at present my advice would be to do a basic quilt, like Disappearing 9 Patch
http://quiltsatcs.blogspot.com/2007/...-tutorial.html or Yellow brick road, that will give you confidence with your machine and piecing.