How to change the themes in nokia 5320 Xpress music?

I have installed the themes in my 5320 but i don't know how to set that.pls tell me.How to change the themes in nokia 5320 Xpress music?
To change the theme of your phone, goto 'Menu' -%26gt; 'Tools' -%26gt; 'Settings' -%26gt; 'General' -%26gt; 'Personalisation' -%26gt; 'Themes' -%26gt; 'General'. A list of installed themes will appear. Scroll to the theme which you want. To apply, press the middle selection key or press 'Options' and select 'Set' and your phone will apply the theme. You can also get a preview of the theme by pressing 'Options' and then, selecting 'Preview'.