SEO

I have Made my website in MU wordpress ( twentyten ) … Now the client want SEO to be done in this website … MY Problem is when i am install any of the SEO plugin in its .. the plugin get install well but when i put keywords , description in the resp. area .. its not seen in SOURCE CODE of resp Page ID… i used almost all SEO PLUGIN BUT NO SOLUTION..

Can any one tell me how i can use my own seo ( title , keywords , description ) on different pages .. i tried below code its work .. but i want on ( title , keywords , description )different different pages

BELOW IS CODE WHAT I USED IN HEADER.PHP:-

<?php if(is_home()){?>

<title></title>
<meta name=”keywords” content=””>
<meta name=”description” content=””>

<?php }else{?>

<title></title>
<meta name=”keywords” content=””>
<meta name=”description” content=””>
<?php }?>

now the problem is from above code i can see title,keyword,decription well on HOME PAGE /// but on all other page ” else ” part is seen
same on each page … how i can call different title,keyword,decription on different pages … with %postname% not with ID

Thanks
Shashi

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