If you see this message when firefox tries to load flash content:

SELinux is preventing the npviewer.bin from using potentially mislabeled files (/home/admica/.icedteaplugin/icedtea-plugin-to-appletviewer).

Source Context:
unconfined_u:unconfined_r:nsplugin_t:s0

Target Context:
unconfined_u:object_r:user_home_t:s0

Target Objects:
/home/admica/.icedteaplugin/icedtea-plugin-to-appletviewer

Source:
npviewer.bin

Source Path:
/usr/lib64/nspluginwrapper/npviewer.binPort:<Unknown>

Host:
somehost

Source RPM Packages:
nspluginwrapper-1.1.2-4.fc10

Policy RPM:
selinux-policy-3.5.13-26.fc10

Selinux Enabled:
True

Policy Type:
targetedMLS

Enabled:
True

Enforcing Mode:
Enforcing

Plugin Name:
home_tmp_bad_labels

Then do this:  (replace with your home dir)
$ restorecon -v ‘/home/admica/.icedteaplugin/icedtea-plugin-to-appletviewer’
restorecon reset /home/admica/.icedteaplugin/icedtea-plugin-to-appletviewer context unconfined_u:object_r:user_home_t:s0->system_u:object_r:nsplugin_home_t:s0
and you should get …