Somethings wrong with your fink me-thinks.... Because my imac just gave me the following for a binary install:
Reading Package Lists...
Building Dependency Tree...
The following extra packages will be installed:
atk1-shlibs glib2-shlibs gtk+2-shlibs libjpeg-shlibs libpcap-shlibs
libpng3-shlibs libtiff-shlibs pango1-xft2-shlibs pcre-shlibs
The following NEW packages will be installed:
atk1-shlibs ethereal glib2-shlibs gtk+2-shlibs libjpeg-shlibs libpcap-shlibs
libpng3-shlibs libtiff-shlibs pango1-xft2-shlibs pcre-shlibs
0 packages upgraded, 10 newly installed, 0 to remove and 0 not upgraded.
Need to get 13.3MB of archives. After unpacking 46.4MB will be used.
Do you want to continue? [Y/n]
Get:1
http://bindist.finkmirrors.net 10.4-transitional/release/main libpcap-shlibs 0.8.3-11 [72.6kB]
Get:2
http://bindist.finkmirrors.net 10.4-transitional/release/main glib2-shlibs 2.4.6-6 [398kB]
Get:3
http://bindist.finkmirrors.net 10.4-transitional/release/main atk1-shlibs 1.6.1-3 [82.9kB]
Get:4
http://bindist.finkmirrors.net 10.4-transitional/release/main libjpeg-shlibs 6b-16 [72.9kB]
Get:5
http://bindist.finkmirrors.net 10.4-transitional/release/main libpng3-shlibs 1:1.2.8-1 [184kB]
Get:6
http://bindist.finkmirrors.net 10.4-transitional/release/main libtiff-shlibs 3.6.1-4 [110kB]
Get:7
http://bindist.finkmirrors.net 10.4-transitional/release/main pango1-xft2-shlibs 1.6.0-1 [364kB]
Get:8
http://bindist.finkmirrors.net 10.4-transitional/release/main gtk+2-shlibs 2.4.9-8 [2066kB]
Get:9
http://bindist.finkmirrors.net 10.4-transitional/release/main pcre-shlibs 4.2-2 [174kB]
Get:10
http://bindist.finkmirrors.net 10.4-transitional/release/main ethereal 0.10.9-11 [9774kB]
Fetched 13.3MB in 1m22s (161kB/s)
Selecting previously deselected package libpcap-shlibs.
(Reading database ... 6198 files and directories currently installed.)
Unpacking libpcap-shlibs (from .../libpcap-shlibs_0.8.3-11_darwin-powerpc.deb) ...
Selecting previously deselected package glib2-shlibs.
Unpacking glib2-shlibs (from .../glib2-shlibs_2.4.6-6_darwin-powerpc.deb) ...
Selecting previously deselected package atk1-shlibs.
Unpacking atk1-shlibs (from .../atk1-shlibs_1.6.1-3_darwin-powerpc.deb) ...
Selecting previously deselected package libjpeg-shlibs.
Unpacking libjpeg-shlibs (from .../libjpeg-shlibs_6b-16_darwin-powerpc.deb) ...
Selecting previously deselected package libpng3-shlibs.
Unpacking libpng3-shlibs (from .../libpng3-shlibs_1%3a1.2.8-1_darwin-powerpc.deb) ...
Selecting previously deselected package libtiff-shlibs.
Unpacking libtiff-shlibs (from .../libtiff-shlibs_3.6.1-4_darwin-powerpc.deb) ...
Selecting previously deselected package pango1-xft2-shlibs.
Unpacking pango1-xft2-shlibs (from .../pango1-xft2-shlibs_1.6.0-1_darwin-powerpc.deb) ...
Selecting previously deselected package gtk+2-shlibs.
Unpacking gtk+2-shlibs (from .../gtk+2-shlibs_2.4.9-8_darwin-powerpc.deb) ...
Selecting previously deselected package pcre-shlibs.
Unpacking pcre-shlibs (from .../pcre-shlibs_4.2-2_darwin-powerpc.deb) ...
Selecting previously deselected package ethereal.
Unpacking ethereal (from .../ethereal_0.10.9-11_darwin-powerpc.deb) ...
Setting up libpcap-shlibs (0.8.3-11) ...
Setting up glib2-shlibs (2.4.6-6) ...
Setting up atk1-shlibs (1.6.1-3) ...
Setting up libjpeg-shlibs (6b-16) ...
Setting up libpng3-shlibs (1.2.8-1) ...
Setting up libtiff-shlibs (3.6.1-4) ...
Setting up pango1-xft2-shlibs (1.6.0-1) ...
Setting up gtk+2-shlibs (2.4.9-8) ...
Setting up pcre-shlibs (4.2-2) ...
Setting up ethereal (0.10.9-11) ...
If you just started with Fink, I'd blow it away and start again. You can just delete the /sw directory and install the packaga again. Then go to the fink commander website and get the latest 0.5.4 release. After that, you have to do a Source->scanpackages and Source->Utilities->index.
Alternatively you could try (in fink commander 0.5.4):
source->utilities->cleanup
source->scanpackages
source->utilities->index
Select Ethereal in the package list
binary->install
The reason I think you've got something out of sorts is the library you're complaining about isn't in /sw/etc anymore. So something's wrong with your fink.
Rich