problem when 'yum install mysql-server' on Fedora 8

hi I am trying to install mysql 5 on fedora8
the command: 'yum install mysql-server'
It shows:
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.....
Total download size: 269 M
Is this ok [y/N]: y
ERROR with rpm_check_debug vs depsolve:
Package totem needs libtotem-plparser.so.7, this is not available.
Package totem-mozplugin needs libtotem-plparser.so.7, this is not available.
Package totem needs totem-plparser = 2.20.1-1.fc8, this is not available.
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then I downloaded totem-plparser-2.20.1-2.fc8.i386.rpm and try to install, but it says:

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warning: totem-plparser-2.20.1-2.fc8.i386.rpm: Header V3 DSA signature: NOKEY, key ID 4f2a6fd2
error: Failed dependencies:
        totem-plparser = 2.20.1-1.fc8 is needed by (installed) totem-2.20.1-1.fc8.i386
===================================

I don't know what to do now.
pls help!!!
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