What plugins do you use?
Here is a full list of plugins that I currently use or am testing

vdh_flickr 0.8.11 by Ralph von der Heyden

Shows your flickr.com pictures in TextPattern. [active]

sgb_url_handler 0.1.8.4 by sgb

Adds support for multiple URL schemes. [active]

sgb_error_documents 0.1.2.2 by sgb

Adds error document support to TxP. [active]

zem_contact_reborn 4.0.3.19 by TXP Community

Form mailer for Textpattern [active]

rss_auto_excerpt 0.5 by Rob Sable

Automatic article excerpts [inactive]

ajw_comment_num 0.2 by Andrew Waer

Allows for outputting current comment number [active]

zem_contact_lang 4.0.3.6 by TXP Community

Language plug-in for Zem Contact Reborn [active]

ako_social 0.4 by Adrian Kostrubiak

An easy way of letting people add your posts to various social bookmarking sites. [active]

rss_unlimited_categories 0.7.4 by Rob Sable

Enable unlimited categories (tags) per article. [active]

zem_posted 0.1 by zem

Timestamp with time zone support [active]

glx_gravatar 2007.1 by Patrick Kollitsch

Short description [active]

sed_comment_pack 0.6 by Stephen Dickinson

Additional comment tags. [active]

jnm_recent_comments_unique 0.5.1 by Juanjo Navarro

List latest comments and commenters. [active]

hpw_admincss 0.1 by Hyperwhat (Adrian Duffell)

Customise the TXP admin interface with CSS. [inactive]

rsx_plugins_list 1.1 by Ramanan Sivaranjan

Display a list of plugins currently installed. [active]

rss_suparchive 0.18 by Rob Sable

Article listings by date or by category/section. Archive menu by month or year with totals [active]

ajw_notepad_public 0.1 by Andrew Waer

Adds public notepad to admin interface of textpattern. [active]

rss_admin_show_adv_opts 0.3 by Rob Sable

Automatically expand article advanced options. [active]

smd_gallery 0.4 by Stef Dawson

A(nother) thumbnail gallery/slideshow creator with unreal flexibility [active]

rss_live_search 0.7 by Rob Sable

Live search. [active]

adi_menu 0.2 by Adi Gilbert

Section hierarchy, section menu and breadcrumb trail [active]