Just copy the URL That I had given below each image
If you want to save it : Right click --> Save image as...
Header URL :
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY5cxa_gIkMYScSjcWj_1faK6SoXU_kGSITlfZKRpH8S0MSiE4qoue5dvrt4Us0J_7TW4b6TCjJ_-5RSexpcBNI_0jKFQFVEoPlEk9mgytXReYOd3A6msm1NQXeu6O6-ZBOmZOFHy6kTg/s1600/Custom+5+header.png
Background URL :
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLyNeeNZESb3yf747VnmlmDPkyWmaZaR6Xd8yNtR_aWxSm1paWGYdAc3nNRpp3eRKUnC7gsmMqhp-RwkViIkUJLZ6e38pj5aQ4JLZY9iBCqxVQKboIEIh1uUNB_5B5EaTij5yguJFpDMw/s1600/background+5.png
Footer URL :
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUzFxH1z1qZqF7l_0k4AMyDax8ia_ClD2tjWN08G_n2ipJ9tWA4Luk0F5O3vrbeekrB3S82gOwUOnv8XO49Dc0TvAioX99P1HL_PAy5coOAELXp-msiEYVzJcIS2f1w2amvVPdYcNRh7g/s1600/Footer+5.png