I said about if and else with two or more single.php article. Also you can use this simple functions on your categories. You can show your categories in two columns. This a simple code and you can apply it only copy/paste :)

Hi everybody. Yes we will add author name to archive, admin/editor/publisher archive pages show their name like “Author archive for (author name)”. Lets begin…

In WordPress, we can use only one single.php. But sometimes we need different single pages for different categories. Also my friend Hakan needs 2 different single.php for his site. We build a blog page for his Vectorss site but we had a problem with ads and published pictures. We have to change this single pages. [...]