Tons of choices out there on Microlancer : https://www.microlancer.com/explore/logos-branding?sort=recommendedI used this guy https://www.microlancer.com/explore/logo-design/3810-original-wordmark-logo for a logo and was happy with the result
The page rank that is shown on the Google Toolbar and such is no longer updated that frequently , the last update took about 10 months or so and was around Dec 2013.
PageRank is directly related to number of quality follow links coming in to you website. I know it’s easier said than done but having high quality sites linking to you website is a good way to bolster your page rank..Suggested Reading : http://infolab.stanford.edu/~backrub/google.html
It’s one or the other I haven’t seen both of them simultaneously .. When I tried just then I got the ones without the head-shot too. Its quite random from what I can see.
One obvious situation when your author snippets might show up is before the review snippets kicks in, during the initial few days of your item being indexed.