Need builder's texture-swap script - spec attached

I'm looking for an existing or a new script which swaps textures out on particular faces of a prim and its linked child-prims. I have specific requirements for the script, which are attached...if you're interested, please IM me in-world.

Sorry, seems the Forums aren't accepting attachments atm, and won't let me copy and paste them here.

Trying again:

Looking for a texture-changing script whichi allows me to chane named textures on linked objects to a different, specified texture which I hav ein my inventory. My preference is to purchase a full-perm version of an existing script that will perform the required functionality, though I am willing to purchase a copiable version of an existing script if necessary.

If you have, or know where I can find, a script which meets my specifications I'd be extremely grateful for a pointer.

If you are interested in writing such a script or modifying an existing script for me, please contanct me directly in-world or here on the forums to discuss turnaround time and pricing.

SCENARIO EXAMPLE:
I have a complex 100-prim linked object, which is already created, which uses the following:
-- on 50 of the prims, which are boxes, 2 faces use a texture called "fringe-black" and the other faces use a texture called "transparent."
-- on the remaining 50 prims, which are also boxes, 2 faces use a texture called "puffball-black" and the other faces use a texture called "transparent"
-- All of the linked prims are named "Object"

Short description - I want to change ALL of the faces using "fringe-black" to "fringe-red." I want to change ALL of the faces using "puffball-black" to "puffball-red." All of the faces using "transparent" should remain the same.

Please IM me or contact me and I will send you the specific functionality requirements, as the Forums don't seem to be accepting attachments just a the moment.

Thanks!