Quick reference cards and cheat sheets
http://www.ivy.fr/mercurial/ref/v1.0/ (PDF and PNG)
[http://edong.net/2008v1/docs/dongwoo-Hg-120dpi.png dongwoo-Hg-120dpi.png] (see [http://www.selenic.com/pipermail/mercurial/2008-March/017678.html announcement])