Have a look at the FAQs - this is one of the really frequently asked questions:
/t/967/1
As a format string any combination of literals and contents of tag-variables is allowed. Tag-variables are enclosed by the % character, e.g. %title%
f you want to append TITLE by "Best stuff", use the string
Best stuff - %title%
And another thing: if you have further questions please start a new thread as it would be easier to judge from the topic what the problem is - also, if others search the forum, it makes it simpler to rule out the non-hits...