얼마 전에 재제 브로그블로그 시작 했어요시작했어요... 

Some time ago I started my blog...

근대근데 요즘 뭐 쓰는거뭘 써야 할지 몰라요모르겠어요. (Or "쓸 얘기가 없어요" is more common in Korean.) 
but these days I don't know what to write about.

영어에서는 우리가 (You need no subjective in Korean, when that subjective is unspecified one or unspecified many people) 이이런 말이 있어요 "writer's block". 사람은(Also, "a person" is unspecified so you can omit it) 뭐 쓰는거뭘 써야 할지 몰라모를 때 이 말을 써요. 

In English we have this phrase: "writer's block". It's used to describe when a person has trouble coming up with things to write about.

아무 사람누구 암시제안("제안" is more commonly used than "암시" when you mean "suggestion") 있어요?
Does anyone have any suggestions?

내 블로그는 http://gyopoblog.com/?lang=ko 에서 차잘 수 있어요찾을 수 있어요 ^^
by the way, you can find my blog at http://gyopoblog.com/?lang=ko ^^

And, "writer's block" is "글길이 막혔다" in Korean. It would be "the road of writing is blocked" in direct translation.

I hope it helps!

writer's block...

얼마 전에 제 블로그를 시작 했어요...
Some time ago I started my blog...

근데 요즘 뭐를 써야할지 모르겠어요.
but these days I don't know what to write about.

영어에서 이런 말이 있어요 "writer's block". 사람들이 뭐를 써야할지 모를 때 이 말을 써요.
In English we have this phrase: "writer's block". It's used to describe when a person has trouble coming up with things to write about.

누구 좋은 생각 없어요?
Does anyone have any suggestions?

제 블로그는 http://gyopoblog.com/?lang=ko 에서 찾을 수 있어요 ^^
by the way, you can find my blog at http://gyopoblog.com/?lang=ko ^^

writer's block...

얼마 전에 (제) 블로그를 시작했어요...
Some time ago I started my blog...

You can skip "제". Here, anybody can see that YOU strated your blog. 

On the other hand, I think that in writing, you are advised not to skip 조사 such as 이/가 and 을/를 unless you are chating.

Usually We probably prefer using one word if possible. 

근대 요즘 뭘(뭐를) 쓸지 모르겠어요.
but these days I don't know what to write about.

I don't know why we don't say "몰라요" here.

영어에서는 우리가 이런 말이 있어요. "writer's block". (사람들이) 뭘 쓸지 모를v때 이 말을 써요.
In English we have this phrase: "writer's block". It's used to describe when a person has trouble coming up with things to write about.

In this case, we would say "~에는 이런 말이 있다.". You would wonder why you should say "이런 말" not "이 말" here. I totally see what you mean but you just need to accept that phrase.

You can also say "이야깃거리" to indicate "things to write about" as: "이야깃거리가 없을 때 이 말을 써요."

Although you said "a person" in English, it sounds strange. It should be plural form "사람들". Or better yet, skip it.

누구 제안v있어요?
Does anyone have any suggestions?

제안 is probably similar to recommendations while 암시 is a hint. However, I think the most natural ways to say your sentence are these: "어떻게 하는 게 좋을까요?" or "누구 좋은 생각 없어요?" as the second correcter suggested. "제안" sounds too formal here.

그건 그렇고(by the way) 내 블로그는 http://gyopoblog.com/?lang=ko 에서 찾을 수v있어요 ^^
by the way, you can find my blog at http://gyopoblog.com/?lang=ko ^^

Your sentence makes sense but we virtually don't speak like this. I would say

"그건 그렇고 http://gyopoblog.com/?lang=ko <- 이게 제 블로그예요."

I adjusted my friend request setting. Please cheack it out^^