Crack open your feed skin and change the false to true in this line and see if it works :

						$Item->content( 1, false, T_('[...] Read more!'), '', '', '', 'xml', $rss_excerpt_length );

¥

By feed skin, do you mean skin? I couldn't find that in the _main.php

At this time BlogBurst requires each blog to have an XML syndication feed in a standard format such as RSS, RDF, or Atom (most blogging platforms generate usable feeds automatically).

You find them in the skins folder. They are called _RSS, _RDF and _Atom. They correspond directly with the Feed section on the frontpage of your blog.

Good luck

Got it, thanks

It worked for rss 2.0. RSS doesn't have pictures however. Is there a way to do it with atom?

for atom add "&more=1" to your feed's url ( http://www.nelsonguirado.com/?tempskin=_atom&more=1 )

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It does not has pictures and has no layout.
As in : the <p> <br> <ul><li><strong> are not ok.
Fot the rest this could be the solution for my problem too.