thanks for helping!

can't see any banners on the front page, looks like i destroyed the site lol
the meta tags are gone too
help plz!

I had just installed 1.31 version and after a succesfull installation i've got these messeges:

Warning: rename(/home/tipsicom/public_html/index/administrator/components/com_sef/bots/joomsef_metabot.php,/home/tipsicom/public_html/index/mambots/system/joomsef_metabot.php) [function.rename]: Permission denied in /home/tipsicom/public_html/index/administrator/components/com_sef/install.sef.php on line 32 Warning: rename(/home/tipsicom/public_html/index/administrator/components/com_sef/bots/joomsef_metabot.xml.tmp,/home/tipsicom/public_html/index/mambots/system/joomsef_metabot.xml) [function.rename]: Permission denied in /home/tipsicom/public_html/index/administrator/components/com_sef/install.sef.php on line 33

i asked some friends but no one knew what to say,
I have joomla installed in a subdirectory
my_site.com/joomla/
I have the .htaccess file but i don't know how to modify it..
can someone help me plz?
thx for ur time!
have a nice day!