Do you want your Twitter followers to be notified each time you post a new blog entry? If yes, you can use TwitterFeed to sychronise your blog with Twitter in order to automate your Twitter posts.
Here are the steps to set it up:
Step 1: Login to the Twitter account that you want to link your blog with TwitterFeed.
Step 2: Login to TwitterFeed (use the login options provided) to create a new feed. Once you have successfully logged in, you would see the following screen:

Click the  “Create new feed” link.
Step 3: …

Adding a Youtube video to a blog is very easy. You can either choose to add the Youtube video to your content page or sidebar.
Add YouTube videos to side bar:
Step 1: Go to the Youtube site to play the video that you want to embed into your blog.You should see the following when the video is playing:

Copy the video codes displayed in the “Embed” box
Step 2: Go to your WP admin/Apperarance/Widget and Add a Text widget to your sidebar. Paste the video codes onto the Text widget and click Save …