i take it you have saved the textures some where in bryce? if so just export them  zip them and follow info below!!!
doing the info in the above post on a second set could be helpful for useing on larger items.

as for putting this up for people to d/l i use downloadtaxi.com
and photobucket for the image.
 [URL=http://www.downloadtaxi.com/]Download Taxi.com - Have Your Downloads Hosted For Free![/URL]
[URL=http://photobucket.com/]Photobucket[/URL]
Then go here to [URL=http://www.renderosity.com/mod/freestuff]Free Stuff[/URL]  and post it in bryce section.

hope this helps!!!