Don’t forget to take a backup of the file prior to any change. We won’t be able to help in case of data loss.
To remove the distortions of blog images, please do the following:
1) Open wp-content/themes/fudge/css/schemes/geek-2.css
2) Please remove the following code from the stylesheet (around line number 776):
.archive .post img {height: 306px;}