Hi Vincent - no problem. You just need to go the Reading Settings, in there you can select the appropriate options to choose which page you want as a front page. Depending on your set up you may also wish to define a page as being the one that holds your blog - if you call that page 'Blog' and place it in the appropriate navigation spot you can then see a link to your blog.
Sorry for the slowish response - still a quiet place here, but we're hoping it'll build up soon!
And thank you for joining us :-)
If you'd like a tutorial on using WordPress's built-in features, you need to visit http://spectacu.la/category/resources/ where you will even find a French language version of our tutorial, albeit for v2.6. In English you have v2.7, and hopefully soon we'll be able to produce 2.8 versions.
Dave