TBH, we should be allowed to have at least 200px because that is a VERY reasonable size. 150 is VERY small, not to mention that there is already a few peoples signatures that are getting cut off (Omar's for example).
Nevertheless, I doubt that would happen, so I do agree with Keystorm
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I deleted that thread because I read the sig size in the preview thing wrong
Edit: About the IP address logged, I think that should totaly be removed from members view because we dont have access, nor do we need access to see any members IP address.