Controlling the Size of Comments on your page!
In the Design My Profile area on the bottom Copy and Post this 
Code into your CSS and Hit Submit!
.comment-text { color: #000000 !important; font-size: 14px !important;
overflow-x:auto; position: relative; width: 450px;}/*COMMENT FONT STYLES
AND NO STRETCH CODE*/
.comment-text img { max-width:450px; height:auto; }
(You can adjust the 450# to the size you like best, and the color #)
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Other Comment Codes you can Use,  One No Scroll Bars & One has Scroll Bars
Works  with No Scroll Bar
.comment-text img { max-width:400px; height:auto; }/*COMMENT SIZE - NO SCROLL BAR*/
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 This is another one that has a Scroll Bar
.comment-text { overflow-x:auto; position: relative; width:400px; }/*COMMENT SCROLL BAR*/