What is a good thing to search when looking for tumblr pictures?

Me and my friend are like tumblr-holics, we are always tumblin! But lately I haven't been able to find anything to post because I don't know what to search for down to earth pictures and really good photography on Google Images. Can you help me by telling me what I can search that would bring up what I want?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).