[Question] Creating Own Poster?

Hello Sythe!

I have a question about creating my own poster! I have a weight room in my house and have recently decided to add a few posters to the walls! Unfortunately I have been unsuccessful at finding designs/pictures that I like, so I thought, why not create my own?

Am I able to browse Google images to select a picture, then use an online company such as, "http://www.vistaprint.com/posters.aspx" to create my custom poster (any suggestions of other online companies)? Is that copyright infringement if I am using other peoples pictures without permission? I do not have intentions of ever selling these posters.

Second question, how do I make sure that the resolution of the poster is correct? Will it look high quality (dimensions)?

Thank you so much for your help, I appreciate all feedback!

laptop

EDIT: This is one of the images I want to make a poster for, http://www.magazyner.pl/fotki/4_52.jpg

 

to answer your first question: its only copyright if your are selling it. so you should be good.

an the seconded look on vistaprint an try to make the poster an they might give you the demotions. or what i used on my posters is: 24 1/4 x 36 in
here is a link http://www.sythe.org/graphics-gallery/1543153-poster-me-my-frind-made.html

an to make sure they images aren't pixelated use large images. an make sure to use 300 dpi

 

One of the largest pictures I found that I liked was this one, http://www.magazyner.pl/fotki/4_52.jpg

How can I make it 300 DPI?

I really like your poster, although I don't need it to be quite that big.