Plot Legends Package
As of Version 9, all the functionality of the PlotLegends package is built into the Wolfram System. »
PlotLegend — add a legend to a plot
Legend — legend of styles in a plot
ShowLegend — show a legend with a plot
ShadowBox — box with a drop shadow
Legend Options
LegendBackground ▪ LegendBorder ▪ LegendBorderSpace ▪ LegendLabelSpace ▪ LegendOrientation ▪ LegendPosition ▪ LegendShadow ▪ LegendSize ▪ LegendSpacing ▪ LegendTextDirection ▪ LegendTextOffset ▪ LegendTextSpace ▪ ShadowBackground
ShadowBox Options
ShadowBackground ▪ ShadowBorder ▪ ShadowForeground ▪ ShadowOffset