As a Second Life photographer, Windlight settings are something I simply cannot live without.To learn how to install your windlights, I recommend checking out Torley’s Windlight Tutorial.
The blog SL Bloggers Support is giving you a list of places where  you can find different download of windlightsettings for free
To see what windlight settings can do see how I used them on different pictures

➽  Luna's Thistle                ➽ Luna's Shuttle Gray                     ➽  Luna's Royal Purple

If and when you are brave enougf to make your own windlight settings go check out the post on [SL] Bloggers Support where Kismet Faith is showing you  how to make a windlight setting and she explains what each slider stands for as well. Good luck on making your own personal windlights.

                           Free Photoshop tools online.

If you want to optimise  your pictures but you don't have the money to buy an expensive PhotoShop program here are some free photo shop programs you can find on line and they are free.

➽   http://fotoflexer.com/ Very easy to use and very handy when it comes to text ting your pictures You don't need to download the program on you pc it works online and very users friendly. Even I can manage to work with it.
➽  Photoscape  I use this to get more depth and lighting  to get a finer detailing on my pictures. You can download it for free and once in a while they are updating en renewing the features and then you get a warning to download the latest version for free as well.
http://www.picmonkey.com/# Same as the fotoflexer program no use of downloading this program it is an online photoshop tool. There is an option with this program to upgrade to a Royal subscription and that cost  2,75 dollar a month.
Pixlr.com Never used this myself but it look like it is users friendly and it is free as well.
➽  Gimp GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages.

Great blogpost about how to make second life pictures made by Harlow Heslop

Great blogpost  how to be an effective blogger by Ember Adored