This page is a sorted list of people's configuration files for Mutt. Other stuff can be found in UserPages. Maybe some ConfigTricks will do what you want. Or the interactive muttrc builder can help you:  http://muttrcbuilder.org/

configs with screenshots

PLEASE capture JUST the mutt window, not the whole desktop! :-/

• Dave Pearson:  http://www.davep.org/mutt/muttrc/
  •  index, index with highlights, pager
• Gufo:  http://gufo.dontexist.org/mutt.html
  •  Screenshot multiple identities, some OS X specific configuration
• RadoQ:  http://xblast.sourceforge.net/rado/mutt/
  •  all color features in 1 pic, this is an example msg to show all effects, normal msg is not that colorful!
  • columns by term-size, mailing-lists, folder-dependent settings, auto-collapsed thread view, mini-index
• redondos:  http://github.com/redondos/mutt/tree/master/.mutt
  • Screenshots: (Sorry for the file size.) (Thanks RadoQ for the mailbox template.)
  •  256color-dark, written by calmar;  256color-light, by calmar;  white, by Dave Pearson;  trans-blue, by Han Boetes and Jochem Kossen.
• Tom Gilbert:  http://linuxbrit.co.uk/mutt/
  •  Index,  Reading,  Mailboxes
• Venkatesh:  http://satori.no-ip.org/vs/muttrc.h

To get an impression of what mutt can look like, see some more http://www.mutt.org/screenshots/ (just pics, no configs).

without screenshots

•  http://dl.bulix.org/dotfiles/.muttrc.common,  http://dl.bulix.org/dotfiles/.muttrc - Maxime Petazzoni
•  http://ataualpa.altervista.org/html/modules.php?name=Downloads - mutt & slrn conf files by Ataualpa the Debianer [IT]
•  http://www.xs4all.nl/~hanb/configs/dot-mutt/ (check color themes, too)
•  http://trac.natalian.org/log/home/.muttrc - Hendry's muttrc  offlineimap version
•  http://www.informatik.uni-oldenburg.de/~jdq/muttrc.html - jdq's muttrc
•  http://hermitte.free.fr/cygwin/#Mutt - Luc Hermitte's page on Mutt+Vim on  MsWindows 9x+cygwin
•  http://michoux.born2frag.org/config/ - (fr) MichouX configurations(mutt, procmail, vim etc.) and scripts(perl, m4, etc.).
•  http://svn.df7cb.de/dotfiles/cb/.mutt/ - Myon's muttrc
•  http://paladin.techmonkeys.org/dotfiles/ - Mutt config among a few others
•  http://www.spinnaker.de/mutt/#config - Roland Rosenfeld's configuration files.
•  http://zeniv.linux.org.uk/~telsa/BitsAndPieces/cave.html - Telsa Gwynne's muttrc, heavily commented and very good for beginners.
•  http://www.burocrata.org/newwiki/MuttRc - Tiago Macambira's muttrc (multiple accounts, per-mailbox from/header configuration)
•  http://kinor.net/stuff/.muttrc - Roland Buehlmann's muttrc for imap, smtp and ssl.
•  http://japc.uncovering.org/configs/mutt/muttrc.html - Jose Celestino's muttrc with imap, ssl, smtp, gpg, binds, colours.