The following a list of art tutorials compiled by the creators of wesnoth content, as well as links to other tutorials on the web.
Graphic Editing Programs
The following is a list of different programs for the major computing platforms which may be useful in editing graphics. Some of these are free, OSS, some are not.
Terrain artist "Frame" has provided a tutorial describing the process of making terrain tiles in wesnoth, and how they interact with adjacent tiles.
- Tiles Status - a roadmap/plan of sorts for future work
The following are different tutorials about sprite work compiled by various wesnoth sprite artists. These will give you the most specific-to-wesnoth information about making sprites, and are well worth a read.
- Creating Unit Art - a list of specifications you will need to match.
- Give_Your_Hero_A_Personality - tricks for editing existing images, including some clip art.
The following page contains dozens of links to tutorials covering all manner of artwork, including sprite art. These were not made by wesnoth artists, but should prove very useful for general instruction.