WebHosting Theme

Not sure what you mean by “WebHosting” theme – any theme can be used for any purpose – just find one that has the basic layouts and functionality you want – and modify the details…

http://wordpress.org/extend/themes/

If you are looking for free themes, you may want to read this first: http://www.chipbennett.net/2010/12/10/only-download-wordpress-themes-from-trusted-sources/

Be aware that these forums only support themes from the repository on this site (linked above), so if you get one from someplace else, make sure it is supported by the developer/vendor.

If you are looking at commercial themes, these are recommended vendors:
http://wordpress.org/extend/themes/commercial/