there is a video in the video section about how to write your own spells, and if i'm not mistaken an article in newbie central as well.
You can learn magic at
www.witchvox.com - to learn about wicca
www.religioustolerance.org - to get basic articles and other information on any religion (pretty much)
Hope these sites and info help
Also to answer the second post, look into herbs...you can use rosemary,cloves, onion, garlic, oregano and the like for all kinds of spells and they are very common in most house holds in the kitchen pantry Hope this all helps, if you have more questions please feel free to message me