Oversize photo of Fredogs is with tinypic.com, other photos are from photobucket.
Photobucket has a download size limit. That means they will resize any photo over 800x600 to 800x600.
This photo of one of my guitars, the original photo is 960x1280
When I downloaded it to photobucket, they automatically resized it to 800x600
This photo, original was 800x600 but I resized it smaller to 763x489 to make my point.
Photobucket downloaded it to 763x489. Had it been larger than 800x600, it would have automatically been reduced it to the maximum size limit of 800x600.
Photobucket does have an Edit images feature. I use my own photo editors.
Decreasing photos is usually simple, but increasing photo size may need photo adjustments, especially if they are older photos before the megapixel quality.