Flash Player 24 needs GTK 2.18 and Glib 2.24

kanotix@Kanotix:~$ cat /etc/apt/sources.list
deb http://archive.debian.org/debian/ lenny main contrib non-free
deb-src http://archive.debian.org/debian/ lenny main contrib non-free
deb http://archive.debian.org/debian-security/ lenny/updates main contrib non-free
deb-src http://archive.debian.org/debian-security/ lenny/updates main contrib non-free
deb http://archive.debian.org/debian-backports/ lenny-backports main contrib non-free
deb-src http://archive.debian.org/debian-backports/ lenny-backports main contrib non-free
kanotix@Kanotix:~$ sudo apt-get -t lenny-backports install libgtk2.0-0 libgtk2.0-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  libglib2.0-0 libglib2.0-dev libxml2-utils shared-mime-info
Suggested packages:
  librsvg2-common gvfs libgtk2.0-doc
Recommended packages:
  libglib2.0-data libgtk2.0-bin
The following NEW packages will be installed:
  libgtk2.0-dev libxml2-utils shared-mime-info
The following packages will be upgraded:
  libglib2.0-0 libglib2.0-dev libgtk2.0-0
3 upgraded, 3 newly installed, 0 to remove and 226 not upgraded.
Need to get 8278kB of archives.
After this operation, 15.2MB of additional disk space will be used.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
  libglib2.0-dev libglib2.0-0 shared-mime-info libgtk2.0-0 libxml2-utils
  libgtk2.0-dev
Install these packages without verification [y/N]? y
Get:1 http://archive.debian.org lenny-backports/main libglib2.0-dev 2.24.2-1~bpo50+1 [1120kB]
Get:2 http://archive.debian.org lenny-backports/main libglib2.0-0 2.24.2-1~bpo50+1 [1029kB]
Get:3 http://archive.debian.org lenny/main shared-mime-info 0.30-2 [644kB]
Get:4 http://archive.debian.org lenny-backports/main libgtk2.0-0 2.18.6-1~bpo50+1 [2368kB]
Get:5 http://archive.debian.org lenny/main libxml2-utils 2.6.32.dfsg-5+lenny5 [33.8kB]
Get:6 http://archive.debian.org lenny-backports/main libgtk2.0-dev 2.18.6-1~bpo50+1 [3083kB]
Fetched 8278kB in 4s (2025kB/s)
(Reading database ... 108904 files and directories currently installed.)
Preparing to replace libglib2.0-dev 2.16.6-3 (using .../libglib2.0-dev_2.24.2-1~bpo50+1_i386.deb) ...
Unpacking replacement libglib2.0-dev ...
Preparing to replace libglib2.0-0 2.16.6-3 (using .../libglib2.0-0_2.24.2-1~bpo50+1_i386.deb) ...
Unpacking replacement libglib2.0-0 ...
Selecting previously deselected package shared-mime-info.
Unpacking shared-mime-info (from .../shared-mime-info_0.30-2_i386.deb) ...
Preparing to replace libgtk2.0-0 2.12.12-1~lenny1 (using .../libgtk2.0-0_2.18.6-1~bpo50+1_i386.deb) ...
Unpacking replacement libgtk2.0-0 ...
Selecting previously deselected package libxml2-utils.
Unpacking libxml2-utils (from .../libxml2-utils_2.6.32.dfsg-5+lenny5_i386.deb) ...
Selecting previously deselected package libgtk2.0-dev.
Unpacking libgtk2.0-dev (from .../libgtk2.0-dev_2.18.6-1~bpo50+1_i386.deb) ...
Processing triggers for man-db ...
Setting up libglib2.0-0 (2.24.2-1~bpo50+1) ...
Setting up libglib2.0-dev (2.24.2-1~bpo50+1) ...
Setting up shared-mime-info (0.30-2) ...
Setting up libgtk2.0-0 (2.18.6-1~bpo50+1) ...
Installing new version of config file /etc/gtk-2.0/im-multipress.conf ...
Setting up libxml2-utils (2.6.32.dfsg-5+lenny5) ...
Setting up libgtk2.0-dev (2.18.6-1~bpo50+1) ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
kanotix@Kanotix:~$