How to add bitmaps to header and footer

[Andrea Montefusco]

I'm writing tech docs with lyx using article style;
to add headers I try to use fancy headers package.
Alas I can't figure out any way to add graphics to header (and footer).

Thanks
 
   *am*

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Andrea Montefusco

Teseo srl
via S.Giovanni Valdarno 8
00138 ROMA
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Those who can, do. Those who can't, teach. Those who can
do neither, critize.
And those who cant teach, teach teachers.