If you need help with Inkscape, here are some links to people and places, which will prove invaluable. You can also use the tutorials that are within Inkscape itself. You can find these in the main menu, Help | Tutorials.
The site that you will find most valuable of all is, of course, the Inkscape homepage at http://inkscape.org/. It will provide you with all the manuals, current download release information, forums, and all the information about Inkscape that you might want.
Other important links from the official homepage are as follows: