Word Press Question?
 

http://clubjeremyhall.com/journal.php

See his blog post .. it has in yellow ( Read more ) what is the plugin for this .. it make the blog look so much better ...

Let me know thanks

It is not a plugin.

In your Main Index template find

the_content('Read the rest of this entry »'

and change it to the_excerpt.

You can change what the link text says by changing
'Read the rest of this entry'

Yep, it's a standard feature. Look closer at the "Reading" options:

looks good with that yellow text color yes!