As per BOL.

SQL Server 2008 does not allow for text, ntext, or image column references in the inserted and deleted tables for AFTER triggers. However, these data types are included...

Replication Concepts- http://msdn.microsoft.com/en-us/library/ms151314.aspx

FAQ- http://msdn.microsoft.com/en-us/library/ms151740.aspx

Check this link.

http://www.sommarskog.se/query-plan-mysteries.html

Its seems the log backup file got corrupted.

Check who all connected.

exec sp_who

Check this tool.

http://www.red-gate.com/products/dba/sql-multi-script/

Interesting question!!

please post the restore statement as well.

sp_cycle_agent_errorlog -- for recycling Sql server agent log.

Thanks. free tools are really useful.

You can grant backup database permission on user. without giving db_owner rights.

GRANT BACKUP DATABASE TO [test1]

GO

GRANT BACKUP LOG TO [test1]

here is list of books which can help you to choose.

http://www.brentozar.com/archive/2008/08/recommended-books-for-sql-server-dbas/