problem with site stack topic on forum

[Δημητριος]

Hello a few days ago created a problem on my topic with this theme <<p9 SimpleLinux betta2 cannot install>>I tried to upload a photo, but it was bigger than that 2mb and post  stuck, since when I am logged in forum it doesn't open to my topic and  just shows me a white picture.
what can i do look this screenshot (001)

ΥΓ PS: and stacking two more messages like second photo(002)

[Skull]

Hello a few days ago created a problem on my topic with this theme <<p9 SimpleLinux betta2 cannot install>>I tried to upload a photo, but it was bigger than that 2mb and post  stuck, since when I am logged in forum it doesn't open to my topic and  just shows me a white picture.
what can i do look this screenshot (001)

ΥΓ PS: and stacking two more messages like second photo(002)

I look for way to fix this error.

[Δημητριος]

hello again i make a post and work ,but i do not understand  , when i going to upload image stack again, the first image is 1.2mb  and second is 1.8mb
sorry but there are specific specifications for image dimensions for example 1024x768 or 1280x1024 ....
But if you need to delete my  messages to to peel off again , please do it !!! 
thanks  again and sorry for  inconvenience 

Postscript : this is two images ,i change the  dimensions to 1024x768 the fist pictures has dimensions  5152 x3864 sorry  if you can  move this pictures to my topic and if you can peel it off again !! ... thanks and sorry 

[Δημητριος]

Hello a few days ago created a problem on my topic with this theme <<p9 SimpleLinux betta2 cannot install>>I tried to upload a photo, but it was bigger than that 2mb and post  stuck, since when I am logged in forum it doesn't open to my topic and  just shows me a white picture.
what can i do look this screenshot (001)

ΥΓ PS: and stacking two more messages like second photo(002)

I look for way to fix this error.

thanks for your help