1. Go to
http://gtalogo.com/ and search for a logo of your choice.
2. Click on the logo then select copy to clipboard
3. Go to your social club then crews and make a new emblem
4. In the page of the emblem creator on google chrome click ctrl + shift + j then in that box click ctrl + v to paste the logo in. Next click enter then let it load until it says that it has been successfully finish.
5. Go to the created emblem and click publish.
6. Go to crews, manage then click on the emblem and select your new custom emblem.