You should at least give the ability to do custom css, I can properly size the image by using my developers tools so having the devs include something for image width sizing wouldn't be difficult. Lacking features like this makes it a little impractical to use the built in landers and it makes more sense just to use embeddable forms and design it yourself in html. Custom landing pages don't let you put forms on them so there's no real solution to the logo sizing issue using those either.
... View more
