Tutorials
This is a list of programming tutorials for ZX BASIC.
How to Write a Pac Man Clone (ZX Basic Project from the beginning)
Author: Britlion
Link: http://goo.gl/4jPd5
Making ZX Basic to work with Tommy Gun
Author: Boriel
Link: https://www.boriel.com/forum/showthread.php?tid=110
How to Use Inline Assembly
Author: Britlion
Link: http://goo.gl/Iw32U
ZX Basic + Fourspriter (Spanish)
Author: na_th_an
Link: http://tcyr.wordpress.com/tutoriales/
(Don't forget you can get auto translation: via Google)
Fondos vectoriales con SUVLEIR 3.0 (Spanish)
Author: na_th_an
Link: http://tcyr.wordpress.com/2012/03/07/suvleir-3-0-super-ultra-vector-library-experience-inspire-redux-3-0/
and via Google
Using Beepola with ZX BASIC
Author: LTee
Link: https://www.boriel.com/forum/showthread.php?tid=368