TUMBLR TO GAB CROSSPOSTING TUTORIAL: Step 1- Create a new application.

Step 2- Set the name to "IFTTT" and the website to "https://maker.ifttt.com/"

Step 3- Allow the application to read and write, then click 'SUBMIT'.

Step 4- Copy your access code. Only show this to people you trust.

Step 5- Create a new applet on IFTTT.com

Step 6- Select Tumblr for the 'this' option.

Step 7- Select 'Any new post'.

Step 8- For the 'that' option, select 'Webhooks'.