Yes. I have SEO enabled to SEO Pro
here is my htaccess info
##
# Elxis 2008.1 htaccess file
# Copyright (C) 2006-2008 Elxis.org. All rights reserved.
# License: http://www.gnu.org/copyleft/gpl.html GNU/GPL
# Elxis CMS is a Free Software
##
## Uncomment the following line, if it produces erors, comment it again
# Options -Indexes +FollowSymLinks
#
# mod_rewrite in use
#
RewriteEngine On
# The following line tells the web server where your Elxis installation is located in relation
# to the web server root directory. By default this is set to the www root folder ( RewriteBase / ).
# If you have installed Elxis in a sub-folder then set this path properly.
# For example if your elxis site is accessible via this URL http://www.mysite.com/elxis/
# You should set: RewriteBase /elxis/
RewriteBase /mediacenter/
#
# Language Handling
# You may remove the languages that you dont need or add other languages not listed here
# For the proper language names and the 2-letter iso code languages consider includes/Core/locale.php file
#
RewriteCond %{QUERY_STRING} !mylang=[armenian|bosnian|creole|croatian|danish|english|french|german|greek|indonesian|italian|japanese|latvian|lithuanian|persian|polish|russian|serbian|spanish|turkish|vietnamese]{2,}
RewriteRule ^([hy]{2})/(.*)$ /index.php?mylang=armenian [QSA,L]
RewriteRule ^([bs]{2})/(.*)$ /index.php?mylang=bosnian [QSA,L]
#RewriteRule ^([pt\-BR]{5})/(.*)$ /index.php?mylang=brazilian [QSA,L]
RewriteRule ^([ht]{2})/(.*)$ /index.php?mylang=creole [QSA,L]
RewriteRule ^(
{2})/(.*)$ /index.php?mylang=croatian [QSA,L]
RewriteRule ^([da]{2})/(.*)$ /index.php?mylang=danish [QSA,L]
RewriteRule ^([en]{2})/(.*)$ /index.php?mylang=english [QSA,L]
RewriteRule ^([fr]{2})/(.*)$ /index.php?mylang=french [QSA,L]
RewriteRule ^([de]{2})/(.*)$ /index.php?mylang=german [QSA,L]
RewriteRule ^([el]{2})/(.*)$ /index.php?mylang=greek [QSA,L]
RewriteRule ^([id]{2})/(.*)$ /index.php?mylang=indonesian [QSA,L]
RewriteRule ^([it]{2})/(.*)$ /index.php?mylang=italian [QSA,L]
RewriteRule ^([ja]{2})/(.*)$ /index.php?mylang=japanese [QSA,L]
RewriteRule ^([lv]{2})/(.*)$ /index.php?mylang=latvian [QSA,L]
RewriteRule ^([lt]{2})/(.*)$ /index.php?mylang=lithuanian [QSA,L]
RewriteRule ^([fa]{2})/(.*)$ /index.php?mylang=persian [QSA,L]
RewriteRule ^([pl]{2})/(.*)$ /index.php?mylang=polish [QSA,L]
RewriteRule ^([ru]{2})/(.*)$ /index.php?mylang=russian [QSA,L]
RewriteRule ^([sr]{2})/(.*)$ /index.php?mylang=serbian [QSA,L]
RewriteRule ^([es]{2})/(.*)$ /index.php?mylang=spanish [QSA,L]
#RewriteRule ^([sr\-Cyr]{6})/(.*)$ /index.php?mylang=srpski [QSA,L]
RewriteRule ^({2})/(.*)$ /index.php?mylang=turkish [QSA,L]
RewriteRule ^([vi]{2})/(.*)$ /index.php?mylang=vietnamese [QSA,L]
#
# Exclude Files and directories
#
RewriteRule ^(administrator/|bridges/|cache/|components/|editor/|help/|images/|includes/|language/|mambots/|media/|modules/|templates/|tmpr/) - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*) index.php
#
## Security rules. Comment them if they cause problems to your site
#
# Block out any script trying to set a mosConfig value through the URL
RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|\%3D) [OR]
# Block out any script trying to base64_encode crap to send via URL
# This rule is commented because it may cause some Elxis features to not work!
# RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [OR]
# Block out any script that includes a <script> tag in URL
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
# Block out any script trying to set a PHP GLOBALS variable via URL
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
# Block out any script trying to modify a _REQUEST variable via URL
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
# Send all blocked request to homepage with 403 Forbidden error!
RewriteRule ^(.*)$ index.php [F,L]
let me know if this is right