[Elspode]

Bullitt - Paganism is, in my mind anyway, a sort of all-encompassing term for numerous ancient religions practiced by pre-Christian peoples. By that definition, Wiccans are Pagan, but by no means are Wiccans the only variety of Pagan. Also, the religion we know as Wicca was synthesized in the early 1950's by a guy named Gerald Gardner, so it is one of the new kids on the block. However, the fundaments of what we believe come from the practices of the ancient peoples of the British Isles and Europe, so it isn't a "made-up religion".

For Wiccans, there are a few basic tenets:

1) Goddess worship (and God worship as well, though usually not Jehovah, since His rules specifically forbid polytheism...but there are self-professed "ChristoWiccans", which is another whole ball of wax. I call them "fence-sitters")
2) A notion that there is energy in the universe and that we can access, channel and use it according to our wills (magick).
3) The belief that we create our own realities and are therefore personally responsible for our actions. No external redemption.
4) A credo, known as "The Wiccan Rede", which states "And it harm none, do as you will shall be the whole of the law". Many Pagans take this to mean that you can do anything you want, an interpretation which I find to be fatally flawed, but again, that's a whole other discussion.
5) We're pretty much tree huggers because we believe the Earth to be our "mother", as it were.

Like any religion, a discussion of Wicca cannot really be adequately rendered in a few paragraphs, so I'll just tell you what I've told others here-I'm happy to answer any specific questions about my personal path. I'm no scholar by any means, but I am an adherent and a constant student of my particular brand of Paganism. For other brands of Paganism, I'll tell you as much as I know if you have any questions about a specific path. As has been mentioned by Bri, Wolf is also a practicing Pagan, and she'll be a good source for you as well.