well, in my opinion your site needs to look a bit different, in my opinion it looks quite messy, where i would insist that you sort out these problems, where it looks literally as if a bomb as hit it:
google ads: at the side, needs to be turned into a skycraper one or standing on side, one at the bottom needs to be centred with the news content.
: remove the distro race, as it will become over complicated, get someone to create a new system, like distro watch, that is better. and at the bottom it isn't "people" it is person.
make the navigation bar thinner, it looks fat and has a lot of wasted space.
put the forum information in the centre, or at the bottom, as it is making the side column fat, which looks messy,
put the welcom section at the top right in the middle, it is the focal point of your site!
change the colour scheme at the top, red and green are complementary, colours they are opposites choose something the same such as green like you are already using.
Finally i would advise you update the baby tux, it is using someone elses graphics, it doesn't look neat and it should be probably at the right hand side.
your site is considered a public archive on inforamtion allow guests to look around the forum > signup if they wawnt to post something
change the colour of the google ads to match your colour theme for the site
smaller problems: when you go onto the tutorials and onto a smaller directory it moves the middle column, highlight the text at the top doesn't look right as it is uneven, when you go on another page, just change the font colour.
final idea remove the days open, as it goes decimilised which doesn't work and it looks like a gadget off say a tripod website.
i am not criticising your effort as it is a good idea to get a beginners place where they can learn how to use Linux. Just update your site.
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