Sorry for the double posting, I hit the reply button too fast. Here's my answer.
Here's a little snippet of code showing <logic:iterate/> tags used to create checkboxes (using a
String[] here:
<logic:iterate id="theInstanceOfIteration"
property="theCollectionToIterate"
name="theBeanImGettingItFrom">
<html:multibox property="selectedMountains">
<bean:write name="theInstanceOfIteration"/>
</html:multibox>
<bean:write name="theInstanceOfIteration"/><br/>
</logic:iterate>