Error in wordpress

I move my blog between servers . The blog is working well but i can not access to wp-admin 500 error in error log 2007-12-31 10:34:13]: error: file is writable by others: (/home/clipart/public_html/[login to view URL]) [Mon Dec 31 11:07:41 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:07:41 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:07:37 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:07:37 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/wp-content/themes/nt-authory/images/[login to view URL] [Mon Dec 31 11:07:37 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:07:37 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/wp-content/plugins/social-bookmarks/lib/niftyCube/[login to view URL] [Mon Dec 31 11:06:08 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:06:08 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:06:04 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/[login to view URL] [Mon Dec 31 11:06:04 2007] [error] [client [login to view URL]] File does not exist: /home/clipart/public_html/wp-content/themes/nt-authory/images/[login to view URL] Also i have a full backup of old files. I need urgently help from a very good phper with experience in wordpress I can pay maximum 25u$s