Those tiny animated pictures are called "Emoji art". You can not post those pictures directly to your wall because Facebook doesn't allow this however many developers have introduced applications on Facebook using which you can post those animated pictures. You wouldn't see those pictures while writing a status instead you will see some sort of unsupported language codes BUT once you have posted those weird-looking codes in your Status, they will automatically turned to animated pictures. There are two best applications to post Emoji art on your Facebook!

Here are some tips for you!

 
• Go to Application.
• Draw any thing using those animated pictures

• Once you have done, Click on POST
• After clicking "Post", press Ctrl+V or use right button of mouse to paste the content to the next popup box. 

• When you have pasted, you will wouldn't see images, images will appear when you have POSTED the status.

Animated Pictures

This is yet another useful application to post animated pictures in Facebook. Above application only lets you only design EMOJI art however "Animated Pictures" also allows you write your favorite lines and use animated pictures where you want.

• Go to Application page and click on Go to Application
• Click on Emoji animations

•  Click on "X" button to close the advertisement and to load more animated pictures.

• Write in "Message" box, whatever you want. When you want to use an animated picture in your message, click on desired animated picture. Click on Preview to see how this will look like.

• Select where you want to share this Message i.e. your wall, friends wall, group, pages etc.

• Once created your message, click on SEND
• Press CTRL+V and click on Share
• Thats it !
• Thanks from folsol.com for awsome instructions like this. .