We all remember from English class the rule of Subject -- Verb Agreement, which means you wouldn't say "That book are great?" but rather "That book is great." The same rule can be applied to photography, if we look at how the subject of the photo relates to the framing of the picture, what I call Subject -- Frame Agreement. The most common incident where we find this error is in distance. Being too far away from the subject ...
Water and fire take on different looks during a long exposure. Set your camera on something sturdy (even the ground) to get a long exposure of a campfire. Use a tripod to take a long exposure of a waterfall or the waves crashing on the beach.
