First of all i would like to say "Merry Xmas to you all" I would want to know if it is right to add image collections you sourced for from the web to your blog. I use the blog with adsense. Do you think it is right to search for images at Google and upload in your blog? If its not right then someone should kindly tell me where i can get free and legal pictures from. Thanks
If you take pictures from the net always provide a source after the picture and give the credits to the site you have taken the picture from.
The best way is to contact the owner and get a nod of consent. Either way, provide a linkback to the source from where you got it from.
Yes, they can get you banned if they are placed next to your Adsense unit. See this post about info on how to get banned from adsense. Make sure that you are not placing any arrows or anything that might lead to false clicks.
First Of All Merry Christmas to all & as I think the better way is to give linkback to the original source that can end up any of your difficulties & thats right, that we should not place images or any sort of attractive thing near to add unit that can make you banned from google adsense as per T&C.