proste, do tego nie trzeba dodatku tylko wiedzy, a dokładniej np. CSS.
Ale można zrobić też tak jak w przykładzie, który podałeś
Kod PHP:
<div id="ja-footer-loga-in">
<a target="_blank" href="http://www.pzj.pl/"><img onmouseover="this.src='/images/stories/loga/pasek_loga_pzj-over.gif';" onmouseout="this.src='/images/stories/loga/pasek_loga_pzj.gif';" src="/images/stories/loga/pasek_loga_pzj.gif" alt="pasek_loga_pzj-over"></a><a target="_blank" href="http://www.pzhk.pl/"><img onmouseover="this.src='/images/stories/loga/pasek_loga_pzhk-over.gif';" onmouseout="this.src='/images/stories/loga/pasek_loga_pzhk.gif';" src="/images/stories/loga/pasek_loga_pzhk.gif" alt="pasek_loga_pzhk-over"></a><a target="_blank" href="http://www.msport.gov.pl/"><img onmouseover="this.src='/images/stories/loga/pasek_loga_11-over.gif';" onmouseout="this.src='/images/stories/loga/pasek_loga_11.gif';" src="/images/stories/loga/pasek_loga_11.gif" alt="pasek_loga_11-over"></a><a target="_blank" href="http://www.fei.org/"><img onmouseover="this.src='/images/stories/loga/pasek_loga_fei-over.gif';" onmouseout="this.src='/images/stories/loga/pasek_loga_fei.gif';" src="/images/stories/loga/pasek_loga_fei.gif" alt="pasek_loga_fei-over"></a><a target="_blank" href="http://www.efanational.com/"><img onmouseout="this.src='/images/stories/loga/pasek_loga_australia.gif';" alt="pasek_loga_australia" onmouseover="this.src='/images/stories/loga/pasek_loga_australia-over.gif';" src="/images/stories/loga/pasek_loga_australia.gif"></a><a target="_blank" href="http://www.usef.org/"><img onmouseover="this.src='/images/stories/loga/pasek_loga_usa-over.gif';" onmouseout="this.src='/images/stories/loga/pasek_loga_usa.gif';" src="/images/stories/loga/pasek_loga_usa.gif" alt="pasek_loga_usa-over"></a><a target="_blank" href="http://www.bef.co.uk/"><img onmouseover="this.src='/images/stories/loga/pasek_loga_wielka-brytania-.gif';" onmouseout="this.src='/images/stories/loga/pasek_loga_wielka-brytania.gif';" src="/images/stories/loga/pasek_loga_wielka-brytania.gif" alt="pasek_loga_wielka-brytania-"></a>
</div>
tworzysz pusty moduł, wkejasz kod i podmieniasz nazwy plików i masz, podstawówka