Local "img src" in JComboBox

I've got a JComboBox where one of the elements are added with this text:
"<html><body style=\"padding:0px;margins:0px;\"><table style=\"padding:0px;margins:0px;\"><tr style=\"padding:0px;margins:0px;\"><td style=\"width:20px;height:20px;vertical-align:middle;padding:0px;margins:0px;\"><img src=\"resources/image.png\"></td><td style=\"height:20px;vertical-align:middle;padding:0px;margins:0px;\"><b> MANAGER</b></td></tr></table></body></html>"How do I get this to work for local folders? I've tried absolute paths, I've tried relative paths (like above), but I just can't seem to get it to work. Internet URLs do work though, but they seem to make the JComboBox lag.
Thanks in advance!

Someone has a solution in this post
http://forum.java.sun.com/thread.jspa?forumID=257&threadID=290240

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Local "img src" in JComboBox

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