I found it here on this forum through Google. http://www.oesf.org/forum/index.php?act=At...post&id=279
Whenever clicking an older link to this forum, you must remember to "edit" the url and remove the 's' from the word "forums"
I am attaching it here. I have the same card, but haven't ever used this package.
Be sure to rename it this way, I wasn't sure where the underscores and dashes belong.
The forum changes all dashes to underscores.
I just copied your filename above bluez-zaurus_2.12-2.4.20-alpha4_arm.ipk