Now sorry for this long off-topic. When I wrote "I painted it" - I stopped and thought "Hmm. I wrote "it", because what they had taught my on English lessons was that when we talk about animals we use "it" rather than "he" or "she". Contrarily, in Polish we always use pronouns according to gender, so I would say "I painted her [caterpillar]". I googled this issue to make sure that "it" would be correct and I found something funny. Someone asked on a forum: "When we talk about animals, do we say "He/She" or It (because it's not a human-being) ?". The first answer was the same what I was taught: "Normally "it". If you are particularly attached to your cat and think of it as a quasi family member, and it's a male cat, you can call it "he"". And the second one was funny:"In the UK we are very pedantic about giving our pets the correct gender when speaking of, or writing about, them. If I meet a person walking a dog and stop to say 'Hello', it is a must to ask the owner whether the dog is male or female. Then you can say, "Isn't he/she beautiful!" and proceed to pet the dog and say, "What a beautiful girl you are," or "Aren't you a handsome boy?"If someone sees a dog and mistakenly says, "Isn't he handsome?", the owner will quickly tell you, "She's a girl!". We're funny that way...".
A good lesson for me! :) All in all, this caterpillar is not my pet and I don't have any emotional bond with it, so I'll be calling it "it" :)
Let's back to the painting. So the caterpillar looks like this. But I took some work in progress photos so you can see how I was painting it.