Filter icon image not found

This is because there is an error on the generated HTML code :

<a class="link-open" href="#">
    <img alt="" src="/?q=sites/all/modules/wymeditor/filter-icon.jpg"/>
    <span>Format d'entrée</span>
</a>

Notice the ?q= on the URL debut.

I solved the problem by modifying file wymeditor.module line 76 :
FROM :

drupal_add_js(array('wymeditor_key' => array($key), 'wymeditor_path' => array(url(drupal_get_path('module', 'wymeditor')))), 'setting');

TO :

drupal_add_js(array('wymeditor_key' => array($key), 'wymeditor_path' => array($module_path)), 'setting');

And it works well for me.

I did not make no more tests with others configurations. Guess it could have problem with simplified URL option activate.

So feel free to post comment on it.

And, at last, I guess it should be better to include the picture using CSS in place of hard coding HTML image :
FROM :

<a class="link-open" href="#">
    <img alt="" src="/?q=sites/all/modules/wymeditor/filter-icon.jpg"/>
    <span>Format d'entrée</span>
</a>

TO :

<a class="link-open" href="#">
    <span>Format d'entrée</span>
</a>

And in a CSS file :

a#linkopen {
   background: url(/sites/all/modules/wymeditor/filter-icon.jpg") left center no-repeat;
   padding-left : 24 px /* no less than picture width*/
   ...
}