I hope you don't mind reading.
That's an extensive subject you're studying.
On the use of various herbs in magic.
http://www.angelfire.com/empire/serpentis666/Herbs.html
Use of colors in magic.
http://www.angelfire.com/empire/serpentis666/Color.htm
About appropriately timing your spells.
http://www.angelfire.com/empire/serpentis666/Planetary_Hours.html
http://www.angelfire.com/empire/serpentis666/VOID.html
http://www.angelfire.com/empire/serpentis666/retrogrades.html
http://www.angelfire.com/empire/serpentis666/Timing.html
Importance of environment.
http://www.angelfire.com/empire/serpentis666/MAGICKAL.html
Preparing for meditation and magic.
http://www.666blacksun.com/Preparing_for_Meditation.html
Magic and the elements.
http://www.angelfire.com/empire/serpentis666/Elements_Magick.html