I don't have them, but Ebay has tons. Hope this helps.
Carbon Fiber:
http://cgi.ebay.com/ebaymotors/Ford-Explorer-Sport-Trac-Carbon-Fiber-Tail-light-Covers_W0QQcmdZViewItemQQcategoryZ38659QQihZ008QQitemZ180022772351QQrdZ1QQsspagenameZWDVW
Flame:
http://cgi.ebay.com/ebaymotors/Ford-Explorer-Sport-Trac-GTS-Flame-Tail-Light-Covers_W0QQcmdZViewItemQQcategoryZ38659QQihZ008QQitemZ180022772346QQrdZ1QQsspagenameZWDVW
Black out:
http://cgi.ebay.com/ebaymotors/Tailshades-Taillight-Covers-01-05-EXPLORER-SPORT-TRAC_W0QQcmdZViewItemQQcategoryZ42611QQihZ002QQitemZ4601796123QQrdZ1QQsspagenameZWD1V
ProBeam:
http://cgi.ebay.com/ebaymotors/Ford-Explorer-Sport-Trac-4DR-Probeam-Tail-Light-Cover-S_W0QQcmdZViewItemQQcategoryZ38661QQihZ019QQitemZ8066409728QQrdZ1QQsspagenameZWD1V
Slotted:
http://cgi.ebay.com/ebaymotors/AVS-Slotted-Tail-Light-Covers-Explorer-Sport-Trac-36331_W0QQcmdZViewItemQQcategoryZ38661QQihZ014QQitemZ330012604687QQrdZ1QQsspagenameZWD1V