I have noticed that some pages fail to load from the client, however they load fine from the browser. Upon closer inspection, I saw that those pages were all GIFs.
Does the client support GIFs yet? If not, then this should be remedied to ensure that readers will be able to view all pages consistently.
Great app by the, and while I personally would have preferred it to weigh less than 1MB (not including cache, of course), it's still built spectacularly (I am a notorious fan for extremely lightweight apps that do not squander either necessary features nor performance.