Can't access nodes

http://lcmspastor.com

I can access page nodes, but story and weblink ones just take me back to the home page. I'm wondering whether it has something to do with the PathAuto module. The log says it couldn't find the page, and it won't find attachments, either, so I'm wondering also whether it has something to do with my .htaccess file (see below). Meanwhile, my site is crippled.

.htaccess file:

#
# Apache/PHP/Drupal settings:
#

# Protect files and directories from prying eyes.

Order deny,allow
Deny from all

# Set some options.
Options +Indexes
Options +FollowSymLinks

# Customized error messages.
ErrorDocument 404 /index.php

# Set the default handler.
# DirectoryIndex index.php

# Override PHP settings. More in sites/default/settings.php
# but the following cannot be changed at runtime.

# PHP 4, Apache 1

php_value magic_quotes_gpc 0
php_value register_globals 0
php_value session.auto_start 0

# PHP 4, Apache 2

php_value magic_quotes_gpc 0
php_value register_globals 0
php_value session.auto_start 0

# PHP 5, Apache 1 and 2

php_value magic_quotes_gpc 0
php_value register_globals 0
php_value session.auto_start 0

# Reduce the time dynamically generated pages are cache-able.

ExpiresByType text/html A1

# Various rewrite rules.

RewriteEngine on

# If your site can be accessed both with and without the prefix www.
# you can use one of the following settings to force user to use only one option:
#
# If you want the site to be accessed WITH the www. only, adapt and uncomment the following:
# RewriteCond %{HTTP_HOST} !^www\.example\.com$ [NC]
# RewriteRule .* http://www.example.com/ [L,R=301]
#
# If you want the site to be accessed only WITHOUT the www. , adapt and uncomment the following:
# RewriteCond %{HTTP_HOST} !^example\.com$ [NC]
# RewriteRule .* http://example.com/ [L,R=301]

# Modify the RewriteBase if you are using Drupal in a subdirectory and
# the rewrite rules are not working properly.
RewriteBase /

# Rewrite old-style URLs of the form 'node.php?id=x'.
#RewriteCond %{REQUEST_FILENAME} !-f
#RewriteCond %{REQUEST_FILENAME} !-d
#RewriteCond %{QUERY_STRING} ^id=([^&]+)$
#RewriteRule node.php index.php?q=node/view/%1 [L]

# Rewrite old-style URLs of the form 'module.php?mod=x'.
#RewriteCond %{REQUEST_FILENAME} !-f
#RewriteCond %{REQUEST_FILENAME} !-d
#RewriteCond %{QUERY_STRING} ^mod=([^&]+)$
#RewriteRule module.php index.php?q=%1 [L]

# Rewrite current-style URLs of the form 'index.php?q=x'.
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?q=$1 [L,QSA]

# $Id: .htaccess,v 1.73 2006/04/14 09:08:26 killes Exp $