Change BackGround Color of gadget in Blog

Hello,
I have create one blog http://************.blogspot.com/ I want to make this blog almost like this blog http://****************blogspot.com/p/about-me.html.
Problem is I am feeling:
1) Header is not doing fit image resizing issue do comparison in both.
2) I want to upload picture in right side but it is much upper. Check it at http://*************.blogspot.com/p/about-me.html here is written Shallee McArthur at picture. I want to resize this picture and make it small.
3) I want make search button like this site http://************.blogspot.com/p/about-me.html how can fill gadget color also border color.
4) Can I import other person blog in my blog as a template and do editing in it?
Check Both Blogs also if needed CSS code then you check my blog and please provide me CSS code with complete detail. Any other suggestions, you can provide me which you feel better. I give good points who give me proper answer. Regards.
