Here is the Alias Sketchbook( Sketchbook pro) Templates and Backgrounds from sometime back. You can use these for any 2d software you like, very useful for day to day production.
Backgrounds are images that extend the usefulness of SketchBook Pro. These images serve several purposes. Lines and grids provide backdrops for your sketches. Charts, calendars and timelines provide visual guides for business planning. And storyboards and other graphic elements provide tools to improve your graphic productivity.
01 Grid Lines and Dots A wide variety of grid patterns rendered in lines and dots in a several resolutions.
02 Line Pages A variety of 8 1/2 x 11 inch pages in various colors, orientations and resolutions.
03 Page Layouts A wide range of print pages and digital screens in standard letter, architectural, engineering and web formats.
04 Charts and Graphs A selection of business charts background to help you draw graphs quickly.
05 Calendars and Timelines Monthly, yearly, and daily calendars and timelines. Includes calendars with and without labels in several graphic styles, as well as clock faces.
06 Video Screens
An assortment of digital screens ranging from 320×240 digital video format to NTSC, HDTV, and various motion picture formats.
07 Storyboards Single and multi-page story boards in several styles and resolutions.
08 Perspective Guides A selection of one-point, two-point and three-point perspective grids to help you draw objects, buildings and scenes.
09 Musical Notation A collection of musical staffs for jotting down musical thoughts.
10 Paper Textures A collection of textured paper backgrounds.
11 Games Tic-tac-toe and Hang Man backgrounds.
12 Graphic Elements Squares, circles, stars, golden sections and other design elements.