It's been a while since this thread was updated, but I imagine that there are some girls in this forum like myself, that sometimes need the inspiration to workout!
One of my favorite motivation boosters is Izabel Goulart. Sometimes I would be like "meh, I'm too tired/lazy and can't be bothered doing anything today", and then take a look at her Instagram account, finding stuff like this:
And BAM! Sudden urge to stop being a lazy bum, get active and feel great afterwards!