I prefer to post my own pics on this here blog, as much as I can. In a small way, it gives me a sense of creativity and originality I suppose, even though the photos are just straight off my phone.
Every now and then though, you come across an image on the interweb which just screams achievement, which inspires in you a sense of awe and is a reminder that, at the end of the day, one should always aim as high as possible. The first image is this, taken from the conservatory on the International Space Station.Human achievement at it's pinnacle, here. I've got this as my desktop wallpaper.
Of course, such grand accomplishments are not resticted to Homo sapiens, and sometimes it is the feats of other species we can use to inspire:
One word. Orsum.