An end of year post can be highlights, favorites or posts with the most comments. On a yearly highlights post, one can use favorites from other blogs or one’s own. Gathering most read posts can be done with statistics such as those from Google Analytics.
Image file naming suggestions: use hyphen instead of underscore. Consider keywords. Don’t use spaces. Put file sizes at the end. Know of any other file name conventions?
Create mailing list. Add attractive subscription box to your blog. Set mailing frequency to daily, weekly or a few times a week. Do you have a mailing list? Any mailing list tips to share?