add a title attribute or alt attribute. SE like that :) BTW, if you don't add full URL it will save you few bytes of total document size.
This is where plugins comes in. Usually if something is missing in WP, usually plugins come to the rescue. Am I right guys?
You might also double check the setting in Options-> Writing Options. Tick "Users should use the visual rich editor by default" and also in the...
http://www.google.com/webmasters/
Probably, that 'math' anti spam plugin you're using.
Look at this list of files from http://svn.automattic.com/wordpress/trunk/ and then compare with the one in that server from CPanel -> File Manager
Separate names with a comma.
