You can use images of single pieces of clothing (like products you saw on fast fashion sites), or full outfit photos (for example from an inspiration picture you saw on Instagram!).
The Bonnie Mob is a children's brand that produces in an ethical way. The organic cotton line they have is GOTS certified, which is the highest standard for the production of organic cotton. The GOTS certification also takes into account that the people are treated fair and receive good wages. The Bonnie Mob also uses Better Cotton Initiative cotton, this cotton is fair trade produced in a more environmental way, using a lot less water. The clothing is also Oekotex certified, which means that it's free from any harmful substances.
The clothing is produced in China in factories where the people make 40 hour work weeks and receive a living wage. The Bonnie Mob is a big promoter of FashionRevolution and shows many photos on their website from the people that make their clothing.