I will draw a childrens illustration

Hello, my name is Carolina Storni and I am an illustrator that loves her work and likes her clients to be satisfied. My illustrations are digital in Photoshop or Procreate. 
I just will reserve myself the right of featuring the illustration here and/or in my website and I ask you for my credit as illustrator. I adecuate my style to your requirement, so please if it is possible, attach some samples or tell me what style you have in mind.

Please provide:

• The resolution of the picture that you need in dpi -
• The file format of the picture: e.g. png, jpg, psd
• The size of it.

If you have any questions, don't hesitate to contact me!
THANKS :)