I agree that the scroll bar is a display/resolution issue, but the photo's are another matter. They didn't just change when they are posted, all the old photo's are changed as well. The ones in my "pond renovation" thread from February 2009 are also resized when viewed.

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[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).