There are some videos where you can watch online where you can see some popular tips on interior designs. However, there is no courses you can take on interor design since it is more hands on.
There are many interior design websites that often their own unique perspective on design. http://www.theinteriordesigninstitute.ca is such a site and http://www.interiordesignwebsites.com/ even lists these types of sites.
Go on design blogs and interior design websites. Tumblr or any image hosting website like pinterest provide up to date or traditional ideas that people post. You can also ask other people on those websites for help too.
Sheffield School offers excellent interior design online classes.
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Modern look is very popular and looks good with almost any decor. You can get ideas from catalogs or look at websites. Here is one favorite of mine: http://www.furnitureseen.com/Modern-Furniture/Los-Angeles/Modern-Interior-Design-Ideas/1
Interior design software can be purchased at home on your computer and at any home improvement store or at Target. Interior design can also be completed at a college or university near you.
You can find kitchen back splash photos on any home improvement website or interior design magazine. I would also suggest that one check out interior designer websites for this information.
Interior design is different than interior decoration. Programs in interior design are generally offered by colleges and universities that have architecture schools, though some art schools offer programs as well. This site lets you search interior design programs by city or state: http://www.interiordesignschools.org/
#Interior design
No. not any that i know of.
Yes, Sullivan College of Technology and Design offers programs in Interior Design. They have adminision staff who are more than happy to provide any further information that you may need.
An interior decorator is someone that will design any rooms in you're house and at the same time they will respect the choice of their clients.