try this htaccess

<IfModule mod_rewrite.c>
	RewriteEngine On
	RewriteBase /
	RewriteRule ^bbpress/forum/(.+)/page/([0-9]+)$ /bbpress/forum.php?id=$1&page=$2 [L,QSA]
	RewriteRule ^bbpress/forum/(.+)/?$ /bbpress/forum.php?id=$1 [L,QSA]
	RewriteRule ^bbpress/topic/(.+)/page/([0-9]+)$ /bbpress/topic.php?id=$1&page=$2 [L,QSA]
	RewriteRule ^bbpress/topic/(.+)/?$ /bbpress/topic.php?id=$1 [L,QSA]
	RewriteRule ^bbpress/tags/(.+)/page/([0-9]+)$ /bbpress/tags.php?tag=$1&page=$2 [L,QSA]
	RewriteRule ^bbpress/tags/(.+)/?$ /bbpress/tags.php?tag=$1 [L,QSA]
	RewriteRule ^bbpress/tags/?$ /bbpress/tags.php [L,QSA]
	RewriteRule ^bbpress/profile/(.+)/page/([0-9]+)$ /bbpress/profile.php?id=$1&page=$2 [L,QSA]
	RewriteRule ^bbpress/profile/(.+)/([a-z-]+)$ /bbpress/profile.php?id=$1&tab=$2 [L,QSA]
	RewriteRule ^bbpress/profile/(.+)/([a-z-]+)/page/([0-9]+)$ /bbpress/profile.php?id=$1&tab=$2&page=$3 [L,QSA]
	RewriteRule ^bbpress/profile/(.+)/?$ /bbpress/profile.php?id=$1 [L,QSA]
	RewriteRule ^bbpress/view/([a-z-]+)/page/([0-9]+)$ /bbpress/view.php?view=$1&page=$2 [L,QSA]
	RewriteRule ^bbpress/view/([a-z-]+)$ /bbpress/view.php?view=$1 [L,QSA]
	RewriteRule ^bbpress/rss/$ /bbpress/rss.php [L,QSA]
	RewriteRule ^bbpress/rss/forum/([0-9]+)$ /bbpress/rss.php?forum=$1 [L,QSA]
	RewriteRule ^bbpress/rss/topic/([0-9]+)$ /bbpress/rss.php?topic=$1 [L,QSA]
	RewriteRule ^bbpress/rss/tags/([a-z-]+)$ /bbpress/rss.php?tag=$1 [L,QSA]
	RewriteRule ^bbpress/rss/profile/([0-9]+)$ /bbpress/rss.php?profile=$1 [L,QSA]
</IfModule>

### Symphony 1.7 - Do not edit ###

<IfModule mod_rewrite.c>
	RewriteEngine on
	RewriteBase /

	### DO NOT APPLY RULES WHEN REQUESTING "favicon.ico"
	RewriteCond %{REQUEST_FILENAME} favicon.ico [NC]
	RewriteRule .* - [S=14] 

	### IMAGE RULES
	RewriteRule ^image/([0-9]+)\/([0-9]+)\/(0|1)\/([a-fA-f0-9]{1,6})\/external/([\W\w]+)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=$1&height=$2&crop=$3&bg=$4&_f=$5.$6&external=true [L]
	RewriteRule ^image/external/([\W\w]+)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=0&height=0&crop=0&bg=0&_f=$1.$2&external=true [L]

	RewriteRule ^image/([0-9]+)\/([0-9]+)\/(0|1)\/([a-fA-f0-9]{1,6})\/external/(.*)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=$1&height=$2&crop=$3&bg=$4&_f=$5.$6&external=true [L]	    
	RewriteRule ^image/external/(.*)\.(jpg|gif|jpeg|png|bmp)$  /symphony/image.php?width=0&height=0&crop=0&bg=0&_f=$1.$2&external=true [L]

	RewriteRule ^image/([0-9]+)\/([0-9]+)\/(0|1)\/([a-fA-f0-9]{1,6})\/([\W\w]+)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=$1&height=$2&crop=$3&bg=$4&_f=$5.$6 	[L]
	RewriteRule ^image/([\W\w]+)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=0&height=0&crop=0&bg=0&_f=$1.$2 	[L]

	RewriteRule ^image/([0-9]+)\/([0-9]+)\/(0|1)\/([a-fA-f0-9]{1,6})\/(.*)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=$1&height=$2&crop=$3&bg=$4&_f=$5.$6 	[L]
	RewriteRule ^image/(.*)\.(jpg|gif|jpeg|png|bmp)$   /symphony/image.php?width=0&height=0&crop=0&bg=0&_f=$1.$2 	[L]

	### CHECK FOR TRAILING SLASH - Will ignore files
	RewriteCond %{REQUEST_FILENAME} !-f
	RewriteCond %{REQUEST_URI} !/$
	RewriteCond %{REQUEST_URI} !(.*)/$
	RewriteRule ^(.*)$ /$1/ [L,R=301]

	### MAIN REWRITE - This will ignore directories
	RewriteCond %{REQUEST_FILENAME} !-d
	RewriteRule ^(.*)\/$ /index.php?page=$1&%{QUERY_STRING}	[L]

</IfModule>

DirectoryIndex index.php
IndexIgnore *

######