1. Educate yourself on a continuous basis. There are some free programs on sites like Youtube. Check them out by searching photography, lighting, photoshop, etc. Sites like http://www.lynda.com/ and http://kelbytraining.com/ have good information on improving your photography. Http://wwwShootsmarter.com and http://www.discovermirrorless.com are excellent sites. Most of these sites require a subscription fee but you should expect to pay for good information. Several forums can be helpful. Check out the forum page on my site. http://pro4um.com/ is an excellent forum if you want to keep up with the latest fads in professional photography. This forum has many talented photographers on it and is not cheap to join. The fee is over $200 a year but well worth it if you are serious about photography as a business. If you are purchasing new equipment check out http://www.dpreview.com/ This website has very comprehensive reviews of newly released cameras and equipment.
2. Learn to use photoshop. Photoshop is an expensive program but most true professionals use the program on a daily basis. Lightroom is also a must, especially for wedding photographers who need to deal with a large number of images at a time. Software Cinema http://www.software-cinema.com/ puts out some excellent cds on how to use photoshop. I’d recommend getting the most recent version CS6. Photoshop cs6 must be purchased on line and downloaded . http://www.adobe.com/downloads/?promoid=JZEFW Versions come out every 2 years or so and you need be aware of the latest features. Plus if you buy a new camera photoshop cs6 will have updates that allow you to use the newest raw files in Adobe Bridge. If you have an earlier version of photoshop but a new camera and your raw files cannot be converted to jpgs in adobe bridge you can download DNG converter from the same sight. It will convert all raw files to a DNG format which older versions of photograph can open and convert to jpg
Other image editing programs are out there that can be used if you can’t afford Adobe’s products. Corel makes a good editing program Paintshop Pro X5. You can download a trial version at this site http://www.corel.com/corel/category.jsp?cat=cat4130083&rootCat=cat3610091 The cost of the software $69.95. Its not a bad program but there definitely is a learning curve just as there is with photoshop. Gimp is also a photoshop- like imaging program. It is free. You need to understand how imaging programs work in order to use it. Again most imaging programs have a learning curve.