Colors!

+ Add the current brush above the new brush in the palette window.
+ Add MIME type, link to gallery site.
+ Publish tutorials on DailyMotion
+ New toolbars.
+ Reimplement reference image as a way to set the initial canvas.
+ Toolbar repaint issue.
+ Get tutorial paintings from Scott Nash.
+ Improve opacity and size scrollbar behavior: click to set.  Maybe a custom widget?
+ Add icons above and below opacity and size scrollbars.
+ Make the palette come up instantly.  Dispense with dialog and write custom scroll and check?
+ Make X button control the palette window.
+ Combo to adjust playback speed.