Ill try to make it,
For now I have come a bit further, changed the ffmpeg-svn > xxxx to ffmpeg like you suggested, stil some few things which are weird for me 
Also in the PKGBUILD i had to change the jscalander-1.0.zip location to the 
http://en.sourceforge.jp/projects/sfnet ... ar-1.0.zip$this->bbcode_second_pass_code('', '==> zoneminder dependencies:
 - apache (already installed)
 - php (already installed)
 - mysql (already installed)
 - pcre (already installed)
 - openssl (already installed)
 - ffmpeg (already installed)
 - perl-php-serialization (already installed)
 - perl-libwww (already installed)
 - perl-date-manip (already installed)
 - perl-unicode-map (already installed)
 - perl-dbi (already installed)
 - perl-dbd-mysql (already installed)
 - perl-io-stringy (already installed)
 - perl-mime-lite (already installed)
 - perl-timedate (already installed)
 - perl-x10 (already installed)
 - perl-time-modules (already installed)
 - perl-net-smtp-ssl (already installed)
 - perl-sys-mmap (already installed)
 - sudo (already installed)
 - libv4l (already installed)
==> Edit PKGBUILD ? [Y/n] ("A" to abort)
==> ------------------------------------
==> n
==> Edit zoneminder.install ? [Y/n] ("A" to abort)
==> ----------------------------------------------
==> n
==> Continue building zoneminder ? [Y/n]
==> ------------------------------------
==>
==> Building and installing package
==> WARNING: Building package as root is dangerous.
 Please run yaourt as a non-privileged user.
==> Making package: zoneminder 1.24.2-2 (Tue Jul 19 15:02:19 CDT 2011)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving Sources...
  -> Downloading ZoneMinder-1.24.2.tar.gz...
--2011-07-19 15:02:20--  http://www2.zoneminder.com/downloads/ZoneMinder-1.24.2.tar.gz
Resolving www2.zoneminder.com (www2.zoneminder.com)... 65.111.173.6
Connecting to www2.zoneminder.com (www2.zoneminder.com)|65.111.173.6|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 965521 (943K) [application/x-gzip]
Saving to: âZoneMinder-1.24.2.tar.gz.partâ
100%[===================================================>] 965,521      427K/s   in 2.2s
2011-07-19 15:02:22 (427 KB/s) - âZoneMinder-1.24.2.tar.gz.partâ
  -> Found zm.rc.d
  -> Found zm.conf.patch
  -> Found zmupdate.patch
  -> Found Controls_Orbit.sql
  -> Found Makefile.patch
  -> Found zm_libv4l.patch
  -> Found zminit.arch
  -> Found customdb
  -> Found httpd-zm.conf
  -> Found zmfilter.pl
  -> Downloading jscalendar-1.0.zip...
--2011-07-19 15:02:22--  http://en.sourceforge.jp/projects/sfnet_jscalendar/downloads/jscalendar/1.0/jscalendar-1.0.zip
Resolving en.sourceforge.jp (en.sourceforge.jp)... 202.221.179.21
Connecting to en.sourceforge.jp (en.sourceforge.jp)|202.221.179.21|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: http://en.sourceforge.jp/projects/sfnet_jscalendar/downloads/jscalendar/1.0/jscalendar-1.0.zip/ [following]
--2011-07-19 15:02:23--  http://en.sourceforge.jp/projects/sfnet_jscalendar/downloads/jscalendar/1.0/jscalendar-1.0.zip/
Reusing existing connection to en.sourceforge.jp:80.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: âjscalendar-1.0.zip.partâ
    [   <=>                                              ] 20,075      32.7K/s   in 0.6s
2011-07-19 15:02:24 (32.7 KB/s) - âjscalendar-1.0.zip.partâ
  -> Downloading cambozola-0.50.tar.gz...
--2011-07-19 15:02:24--  http://www.charliemouse.com:8080/code/cambozola/cambozola-0.50.tar.gz
Resolving www.charliemouse.com (www.charliemouse.com)... 50.53.156.39
Connecting to www.charliemouse.com (www.charliemouse.com)|50.53.156.39|:8080... connected.
HTTP request sent, awaiting response... 200 OK
Length: 136601 (133K) [application/x-gzip]
Saving to: âcambozola-0.50.tar.gz.partâ
100%[===================================================>] 136,601     94.1K/s   in 1.4s
2011-07-19 15:02:26 (94.1 KB/s) - âcambozola-0.50.tar.gz.partâ
  -> Found zmeventbackup
==> ERROR: Integrity checks are missing.
==> ERROR: Makepkg was unable to build zoneminder.
==> Restart building zoneminder ? [y/N]
==> -----------------------------------
==>')