How to post a Youtube video?

Copy the URL.
Put that URL between to make something that looks like:

In other words, put this:
youtube=http://www.youtube.com/watch?v=AgEmZ39EtFk
inside [ ] square brackets.
On your blog, the video will show up like the one below.
Click Right-Top Menu “VIDEO” for seeing a video example

How to post a RockYou slideshow?

Make a RockYou slideshow, then find your slideshow’s ID. The quickest way to do this is to look in your browser’s address bar:
http://www86.rockyou.com/show_my_gallery.php?instanceid=39325435&s_pindex=4
Copy the ID number and write something like this into your blog post:
[rockyou id=39325435]
You can specify the width and height if you want to:
[rockyou id=39325435&w=400&h=300]
On your blog, the slideshow will show up like [...]

Using the text widget

Text widgets are very useful… you can put an image in the sidebar and – as the title says you can put text in the widget.
The text can use tags though – all those listed here.
Here is an example:

Fast searchFast searchFast search

Image from Auction  Image from Auction

testing… 3,

Fast search
Use Google search to find the exact message you want, no matter when it was sent or received.
Use Google search to find the exact message you want, no matter when it was sent or received.

Text widgets are very useful… you can put an image in the sidebar and – as the title says you [...]

testing 2…

Fast search
Use Google search to find the exact message you want, no matter when it was sent or received.
Text widgets are very useful… you can put an image in the sidebar and – as the title says you can put text in the widget.
The text can use tags though – all those listed here.
Here is [...]

testing…

Fast search
Use Google search to find the exact message you want, no matter when it was sent or received.