lululee look something... first .. use a cylinder for the small lake under of your lady and apply a water mat file to it make a terain around of this cylinder and make your water more transparent and put your cycle riples under of than water combine your transpar for the water, when u see the cycles maybe shall be better. for the waterfall maybe you need a terain with water map to it no alpha plane... it is my opinion... move your tree away from your waterlake... and used some more lights with soft blues lights with small power around of your scene .. maybe 5 spot lights .. and change your anbient in atm editor...Your tree looks very flat...Move your lady more right no so center of your scene.. maybe near of waterfalls....but carefully with your lights .. more lights around of scene for global lighting..I hope to help u ..sorry my english are bad:P AND every scene need her own lights ... maybe for yours need something like that:

• Benettor - Photographer - My Art