Keep headers/logos under 125 pixels high. It takes up valuable viewing space, especially for laptop users, that is best left for the good stuff to appear"above the fold" Take a cue from the big companies, simple logos done well say it all. This is our #1 pet peeve - screaming logos and headers!
The fix malware problems free Codex has an outline of what permissions are okay. File and directory permissions can be changed through an FTP client or within the administrative page from your web host.
There are numerous ways to pull off this, and many of them involve copying and FTPing files, exporting and re-establishing much more and databases. Some of them are very complicated, so it is imperative that you select the one that is best. Then you might want to look into using a plugin for WordPress backups if you're not of the persuasion that is technical.
While it's an odd term, it represents a necessary task: creating a WordPress backup of your website to work on click here for more info offline, or in case something should go amiss. We're not only being obsessive-compulsive here: servers go down every day, despite their promises of 99.9% uptime, and if you've had this happen to you, you know the fear is it can cause.
It's time to register for a Facebook accounts and use this person's name and identity. After I get it all set up, I'll be telling you posing as your friend and asking you to be friends with me on Facebook (or Twitter, or whichever societal site).
Don't use wp_ as a prefix for your own databases. Web hosting providers are why not check here removing that default but if yours does not, adjust wp_ to anything else but that.