plugin use on Ubuntu 10.10 Newbie

Friends,

Plugs remain greyed out. How do I enable? Install?

How to I manage or install plugins for use with pgadmin3 on Ubuntu 10.10?

Many thanks,

Katie U

========================
Answers to common debugging questions:
* The version of pgAdmin you are running. If it is a development
snapshot, please include the build date from the Help ->
About screen, and GIT repository version if known.

version 1.12.1 (Dec 14, 2010, rev:REL01_12_1

* The configure options used (if compiled from source)
apt-get used

* The operating system and version details - e.g. Windows XP Pro, SP2,
or Slackware Linux 10, kernel 2.4.21
Linux *HOSTNAME* 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 19:00:26 UTC
2011 i686 GNU/Linux
Ubuntu 10.10

* The wxWidgets version and configure options used (if compiled from
source)
not compiled from source

* The PostgreSQL version and configure options used (if compiled from
source)
NOT Compiled from source. Used apt-get

BINDIR = /usr/lib/postgresql/9.0/bin
DOCDIR = /usr/share/doc/postgresql
HTMLDIR = /usr/share/doc/postgresql
INCLUDEDIR = /usr/include/postgresql
PKGINCLUDEDIR = /usr/include/postgresql
INCLUDEDIR-SERVER = /usr/include/postgresql/9.0/server
LIBDIR = /usr/lib
PKGLIBDIR = /usr/lib/postgresql/9.0/lib
LOCALEDIR = /usr/share/locale
MANDIR = /usr/share/postgresql/9.0/man
SHAREDIR = /usr/share/postgresql/9.0
SYSCONFDIR = /etc/postgresql-common
PGXS = /usr/lib/postgresql/9.0/lib/pgxs/src/makefiles/pgxs.mk
CONFIGURE = '--build=i686-linux-gnu' '--prefix=/usr'
'--includedir=/usr/include' '--mandir=/usr/share/man' '--infodir=/usr/sha
re/info' '--sysconfdir=/etc' '--localstatedir=/var'
'--libexecdir=/usr/lib/postgresql-9.0' '--disable-maintainer-mode' '--disa
ble-dependency-tracking' '--disable-silent-rules' '--srcdir=.'
'--mandir=/usr/share/postgresql/9.0/man' '--with-docdir=/usr/sh
are/doc/postgresql-doc-9.0' '--sysconfdir=/etc/postgresql-common'
'--datadir=/usr/share/postgresql/9.0' '--bindir=/usr/lib/pos
tgresql/9.0/bin' '--includedir=/usr/include/postgresql/' '--enable-nls'
'--enable-integer-datetimes' '--enable-thread-safety'
'--enable-debug' '--disable-rpath' '--with-tcl' '--with-perl'
'--with-python' '--with-pam' '--with-krb5' '--with-gssapi' '--wi
th-openssl' '--with-libxml' '--with-libxslt' '--with-ldap'
'--with-ossp-uuid' '--with-gnu-ld' '--with-tclconfig=/usr/lib/tcl8.
5' '--with-tkconfig=/usr/lib/tk8.5' '--with-includes=/usr/include/tcl8.5'
'--with-system-tzdata=/usr/share/zoneinfo' '--with-p
gport=5432' 'CFLAGS=-g -O2 -g -Wall -O2 -fPIC'
'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,--as-needed'
'build_alias=i686-linux-gnu'
'CPPFLAGS='
CC = gcc
CPPFLAGS = -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/tcl8.5
CFLAGS = -g -O2 -g -Wall -O2 -fPIC -Wall -Wmissing-prototypes
-Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -fn
o-strict-aliasing -fwrapv -g
CFLAGS_SL = -fpic
LDFLAGS = -Wl,-Bsymbolic-functions -Wl,--as-needed -Wl,--as-needed
LDFLAGS_EX =
LDFLAGS_SL =
LIBS = -lpgport -lxslt -lxml2 -lpam -lssl -lcrypto -lkrb5 -lcom_err
-lgssapi_krb5 -lz -ledit -lcrypt -ldl -lm
VERSION = PostgreSQL 9.0.2

* Steps required to reproduce the problem. Please include a simple
scheme with optional data if required. This may be sent
privately upon request from a developer if you are concerned about posting
sample code or data to a public mailing list.

start pgadmin3
login
connect to a database
The plugin menu item is greyed-out and Plugins reports no plugins installed.