[rohan@localhost ~]$ su -
Password:
[root@localhost ~]# yum -y install grip
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
dries [1/8]
dries 100% |=========================| 951 B 00:03
macromedia [2/8]
macromedia 100% |=========================| 951 B 00:00
flash [3/8]
http://macromedia.mplug.org/rpm/repodata/repomd.xml: [Errno 12] Timeout: <urlopen error timed out>
Trying other mirror.
http://macromedia.rediris.es/rpm/repodata/repomd.xml: [Errno 12] Timeout: <urlopen error timed out>
Trying other mirror.
Cannot open/read repomd.xml file for repository: flash
failure: repodata/repomd.xml from flash: [Errno 256] No more mirrors to try.
Error: failure: repodata/repomd.xml from flash: [Errno 256] No more mirrors to try.
[root@localhost ~]#

Plzzz tell me what to do now....
thnx in advance

did you try this more than once? whenever i had that problem it was beause the mirror was down at the time, you can always uncomment that repo and it will carry on fine (grip is presumably in dries and not macromedia)