ROTOSCOPY
You can got some valuable knowledge about rotoscopy from the link bellow
http://vfx3d2d.blogspot.com/
Grab from here that you looking for..
http://area.autodesk.com/
TUTORIALS, SHOWREELS and LOTS OF THINKS
you can got lots of tutorials, reels, magazines inside creative cow.
Click on the linkhttp://www.creativecow.net/
3D MODELS and REFERENCES
You can got some nice 3d models and references for your modeling.
Click on the link
http://www.turbosquid.com/
FREE TEXTURE
Are you charging for free high quality textures..??
Click on the link
http://www.cgtextures.com/